21000940470

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{25927087}}^1$

素因数の和:25927106

約数の個数: 40

約数和(自身を含む): 56469197664

約数和(自身を除く): 35468257194

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 25927087, 51854174, 77781261, 129635435, 155562522, 233343783, 259270870, 388906305, 466687566, 700031349, 777812610, 1166718915, 1400062698, 2100094047, 2333437830, 3500156745, 4200188094, 7000313490, 10500470235, 21000940470]

約数ペア:

[(1, 21000940470), (2, 10500470235), (3, 7000313490), (5, 4200188094), (6, 3500156745), (9, 2333437830), (10, 2100094047), (15, 1400062698), (18, 1166718915), (27, 777812610), (30, 700031349), (45, 466687566), (54, 388906305), (81, 259270870), (90, 233343783), (135, 155562522), (162, 129635435), (270, 77781261), (405, 51854174), (810, 25927087)]