21907830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{104323}}^1$

素因数の和:104340

約数の個数: 32

約数和(自身を含む): 60090624

約数和(自身を除く): 38182794

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 104323, 208646, 312969, 521615, 625938, 730261, 1043230, 1460522, 1564845, 2190783, 3129690, 3651305, 4381566, 7302610, 10953915, 21907830]

約数ペア:

[(1, 21907830), (2, 10953915), (3, 7302610), (5, 4381566), (6, 3651305), (7, 3129690), (10, 2190783), (14, 1564845), (15, 1460522), (21, 1043230), (30, 730261), (35, 625938), (42, 521615), (70, 312969), (105, 208646), (210, 104323)]