21486077820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1\times {\mathrm{449}}^1$

素因数の和:850

約数の個数: 240

約数和(自身を含む): 68424048000

約数和(自身を除く): 46937970180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 109, 135, 162, 180, 218, 270, 271, 324, 327, 405, 436, 449, 540, 542, 545, 654, 810, 813, 898, 981, 1084, 1090, 1308, 1347, 1355, 1620, 1626, 1635, 1796, 1962, 2180, 2245, 2439, 2694, 2710, 2943, 3252, 3270, 3924, 4041, 4065, 4490, 4878, 4905, 5388, 5420, 5886, 6540, 6735, 7317, 8082, 8130, 8829, 8980, 9756, 9810, 11772, 12123, 12195, 13470, 14634, 14715, 16164, 16260, 17658, 19620, 20205, 21951, 24246, 24390, 26940, 29268, 29430, 29539, 35316, 36369, 36585, 40410, 43902, 44145, 48492, 48780, 48941, 58860, 59078, 60615, 72738, 73170, 80820, 87804, 88290, 88617, 97882, 109755, 118156, 121230, 121679, 145476, 146340, 146823, 147695, 176580, 177234, 181845, 195764, 219510, 242460, 243358, 244705, 265851, 293646, 295390, 354468, 363690, 365037, 439020, 440469, 443085, 486716, 489410, 531702, 587292, 590780, 608395, 727380, 730074, 734115, 797553, 880938, 886170, 978820, 1063404, 1095111, 1216790, 1321407, 1329255, 1460148, 1468230, 1595106, 1761876, 1772340, 1825185, 2190222, 2202345, 2392659, 2433580, 2642814, 2658510, 2936460, 3190212, 3285333, 3650370, 3964221, 3987765, 4380444, 4404690, 4785318, 5285628, 5317020, 5475555, 6570666, 6607035, 7300740, 7928442, 7975530, 8809380, 9570636, 9855999, 10951110, 11963295, 13141332, 13214070, 13263011, 15856884, 15951060, 16426665, 19711998, 19821105, 21902220, 23926590, 26428140, 26526022, 32853330, 39423996, 39642210, 39789033, 47853180, 49279995, 53052044, 65706660, 66315055, 79284420, 79578066, 98559990, 119367099, 132630110, 159156132, 197119980, 198945165, 238734198, 265260220, 358101297, 397890330, 477468396, 596835495, 716202594, 795780660, 1074303891, 1193670990, 1432405188, 1790506485, 2148607782, 2387341980, 3581012970, 4297215564, 5371519455, 7162025940, 10743038910, 21486077820]

約数ペア:

[(1, 21486077820), (2, 10743038910), (3, 7162025940), (4, 5371519455), (5, 4297215564), (6, 3581012970), (9, 2387341980), (10, 2148607782), (12, 1790506485), (15, 1432405188), (18, 1193670990), (20, 1074303891), (27, 795780660), (30, 716202594), (36, 596835495), (45, 477468396), (54, 397890330), (60, 358101297), (81, 265260220), (90, 238734198), (108, 198945165), (109, 197119980), (135, 159156132), (162, 132630110), (180, 119367099), (218, 98559990), (270, 79578066), (271, 79284420), (324, 66315055), (327, 65706660), (405, 53052044), (436, 49279995), (449, 47853180), (540, 39789033), (542, 39642210), (545, 39423996), (654, 32853330), (810, 26526022), (813, 26428140), (898, 23926590), (981, 21902220), (1084, 19821105), (1090, 19711998), (1308, 16426665), (1347, 15951060), (1355, 15856884), (1620, 13263011), (1626, 13214070), (1635, 13141332), (1796, 11963295), (1962, 10951110), (2180, 9855999), (2245, 9570636), (2439, 8809380), (2694, 7975530), (2710, 7928442), (2943, 7300740), (3252, 6607035), (3270, 6570666), (3924, 5475555), (4041, 5317020), (4065, 5285628), (4490, 4785318), (4878, 4404690), (4905, 4380444), (5388, 3987765), (5420, 3964221), (5886, 3650370), (6540, 3285333), (6735, 3190212), (7317, 2936460), (8082, 2658510), (8130, 2642814), (8829, 2433580), (8980, 2392659), (9756, 2202345), (9810, 2190222), (11772, 1825185), (12123, 1772340), (12195, 1761876), (13470, 1595106), (14634, 1468230), (14715, 1460148), (16164, 1329255), (16260, 1321407), (17658, 1216790), (19620, 1095111), (20205, 1063404), (21951, 978820), (24246, 886170), (24390, 880938), (26940, 797553), (29268, 734115), (29430, 730074), (29539, 727380), (35316, 608395), (36369, 590780), (36585, 587292), (40410, 531702), (43902, 489410), (44145, 486716), (48492, 443085), (48780, 440469), (48941, 439020), (58860, 365037), (59078, 363690), (60615, 354468), (72738, 295390), (73170, 293646), (80820, 265851), (87804, 244705), (88290, 243358), (88617, 242460), (97882, 219510), (109755, 195764), (118156, 181845), (121230, 177234), (121679, 176580), (145476, 147695), (146340, 146823)]