21885910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{907}}^1$

素因数の和:1060

約数の個数: 32

約数和(自身を含む): 41840640

約数和(自身を除く): 19954730

約数列:

[1, 2, 5, 10, 19, 38, 95, 127, 190, 254, 635, 907, 1270, 1814, 2413, 4535, 4826, 9070, 12065, 17233, 24130, 34466, 86165, 115189, 172330, 230378, 575945, 1151890, 2188591, 4377182, 10942955, 21885910]

約数ペア:

[(1, 21885910), (2, 10942955), (5, 4377182), (10, 2188591), (19, 1151890), (38, 575945), (95, 230378), (127, 172330), (190, 115189), (254, 86165), (635, 34466), (907, 24130), (1270, 17233), (1814, 12065), (2413, 9070), (4535, 4826)]