21281555100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{42967}}^1$

素因数の和:43124

約数の個数: 144

約数和(自身を含む): 66834833408

約数和(自身を除く): 45553278308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 127, 130, 150, 156, 195, 254, 260, 300, 325, 381, 390, 508, 635, 650, 762, 780, 975, 1270, 1300, 1524, 1651, 1905, 1950, 2540, 3175, 3302, 3810, 3900, 4953, 6350, 6604, 7620, 8255, 9525, 9906, 12700, 16510, 19050, 19812, 24765, 33020, 38100, 41275, 42967, 49530, 82550, 85934, 99060, 123825, 128901, 165100, 171868, 214835, 247650, 257802, 429670, 495300, 515604, 558571, 644505, 859340, 1074175, 1117142, 1289010, 1675713, 2148350, 2234284, 2578020, 2792855, 3222525, 3351426, 4296700, 5456809, 5585710, 6445050, 6702852, 8378565, 10913618, 11171420, 12890100, 13964275, 16370427, 16757130, 21827236, 27284045, 27928550, 32740854, 33514260, 41892825, 54568090, 55857100, 65481708, 70938517, 81852135, 83785650, 109136180, 136420225, 141877034, 163704270, 167571300, 212815551, 272840450, 283754068, 327408540, 354692585, 409260675, 425631102, 545680900, 709385170, 818521350, 851262204, 1064077755, 1418770340, 1637042700, 1773462925, 2128155510, 3546925850, 4256311020, 5320388775, 7093851700, 10640777550, 21281555100]

約数ペア:

[(1, 21281555100), (2, 10640777550), (3, 7093851700), (4, 5320388775), (5, 4256311020), (6, 3546925850), (10, 2128155510), (12, 1773462925), (13, 1637042700), (15, 1418770340), (20, 1064077755), (25, 851262204), (26, 818521350), (30, 709385170), (39, 545680900), (50, 425631102), (52, 409260675), (60, 354692585), (65, 327408540), (75, 283754068), (78, 272840450), (100, 212815551), (127, 167571300), (130, 163704270), (150, 141877034), (156, 136420225), (195, 109136180), (254, 83785650), (260, 81852135), (300, 70938517), (325, 65481708), (381, 55857100), (390, 54568090), (508, 41892825), (635, 33514260), (650, 32740854), (762, 27928550), (780, 27284045), (975, 21827236), (1270, 16757130), (1300, 16370427), (1524, 13964275), (1651, 12890100), (1905, 11171420), (1950, 10913618), (2540, 8378565), (3175, 6702852), (3302, 6445050), (3810, 5585710), (3900, 5456809), (4953, 4296700), (6350, 3351426), (6604, 3222525), (7620, 2792855), (8255, 2578020), (9525, 2234284), (9906, 2148350), (12700, 1675713), (16510, 1289010), (19050, 1117142), (19812, 1074175), (24765, 859340), (33020, 644505), (38100, 558571), (41275, 515604), (42967, 495300), (49530, 429670), (82550, 257802), (85934, 247650), (99060, 214835), (123825, 171868), (128901, 165100)]