21516530880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{8171}}^1$

素因数の和:8415

約数の個数: 224

約数和(自身を含む): 73927703808

約数和(自身を除く): 52411172928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 211, 240, 260, 312, 320, 390, 416, 422, 480, 520, 624, 633, 780, 832, 844, 960, 1040, 1055, 1248, 1266, 1560, 1688, 2080, 2110, 2496, 2532, 2743, 3120, 3165, 3376, 4160, 4220, 5064, 5486, 6240, 6330, 6752, 8171, 8229, 8440, 10128, 10972, 12480, 12660, 13504, 13715, 16342, 16458, 16880, 20256, 21944, 24513, 25320, 27430, 32684, 32916, 33760, 40512, 40855, 41145, 43888, 49026, 50640, 54860, 65368, 65832, 67520, 81710, 82290, 87776, 98052, 101280, 106223, 109720, 122565, 130736, 131664, 163420, 164580, 175552, 196104, 202560, 212446, 219440, 245130, 261472, 263328, 318669, 326840, 329160, 392208, 424892, 438880, 490260, 522944, 526656, 531115, 637338, 653680, 658320, 784416, 849784, 877760, 980520, 1062230, 1274676, 1307360, 1316640, 1568832, 1593345, 1699568, 1724081, 1961040, 2124460, 2549352, 2614720, 2633280, 3186690, 3399136, 3448162, 3922080, 4248920, 5098704, 5172243, 6373380, 6798272, 6896324, 7844160, 8497840, 8620405, 10197408, 10344486, 12746760, 13792648, 16995680, 17240810, 20394816, 20688972, 22413053, 25493520, 25861215, 27585296, 33991360, 34481620, 41377944, 44826106, 50987040, 51722430, 55170592, 67239159, 68963240, 82755888, 89652212, 101974080, 103444860, 110341184, 112065265, 134478318, 137926480, 165511776, 179304424, 206889720, 224130530, 268956636, 275852960, 331023552, 336195795, 358608848, 413779440, 448261060, 537913272, 551705920, 672391590, 717217696, 827558880, 896522120, 1075826544, 1344783180, 1434435392, 1655117760, 1793044240, 2151653088, 2689566360, 3586088480, 4303306176, 5379132720, 7172176960, 10758265440, 21516530880]

約数ペア:

[(1, 21516530880), (2, 10758265440), (3, 7172176960), (4, 5379132720), (5, 4303306176), (6, 3586088480), (8, 2689566360), (10, 2151653088), (12, 1793044240), (13, 1655117760), (15, 1434435392), (16, 1344783180), (20, 1075826544), (24, 896522120), (26, 827558880), (30, 717217696), (32, 672391590), (39, 551705920), (40, 537913272), (48, 448261060), (52, 413779440), (60, 358608848), (64, 336195795), (65, 331023552), (78, 275852960), (80, 268956636), (96, 224130530), (104, 206889720), (120, 179304424), (130, 165511776), (156, 137926480), (160, 134478318), (192, 112065265), (195, 110341184), (208, 103444860), (211, 101974080), (240, 89652212), (260, 82755888), (312, 68963240), (320, 67239159), (390, 55170592), (416, 51722430), (422, 50987040), (480, 44826106), (520, 41377944), (624, 34481620), (633, 33991360), (780, 27585296), (832, 25861215), (844, 25493520), (960, 22413053), (1040, 20688972), (1055, 20394816), (1248, 17240810), (1266, 16995680), (1560, 13792648), (1688, 12746760), (2080, 10344486), (2110, 10197408), (2496, 8620405), (2532, 8497840), (2743, 7844160), (3120, 6896324), (3165, 6798272), (3376, 6373380), (4160, 5172243), (4220, 5098704), (5064, 4248920), (5486, 3922080), (6240, 3448162), (6330, 3399136), (6752, 3186690), (8171, 2633280), (8229, 2614720), (8440, 2549352), (10128, 2124460), (10972, 1961040), (12480, 1724081), (12660, 1699568), (13504, 1593345), (13715, 1568832), (16342, 1316640), (16458, 1307360), (16880, 1274676), (20256, 1062230), (21944, 980520), (24513, 877760), (25320, 849784), (27430, 784416), (32684, 658320), (32916, 653680), (33760, 637338), (40512, 531115), (40855, 526656), (41145, 522944), (43888, 490260), (49026, 438880), (50640, 424892), (54860, 392208), (65368, 329160), (65832, 326840), (67520, 318669), (81710, 263328), (82290, 261472), (87776, 245130), (98052, 219440), (101280, 212446), (106223, 202560), (109720, 196104), (122565, 175552), (130736, 164580), (131664, 163420)]