21635290

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{52769}}^1$

素因数の和:52817

約数の個数: 16

約数和(自身を含む): 39894120

約数和(自身を除く): 18258830

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 52769, 105538, 263845, 527690, 2163529, 4327058, 10817645, 21635290]

約数ペア:

[(1, 21635290), (2, 10817645), (5, 4327058), (10, 2163529), (41, 527690), (82, 263845), (205, 105538), (410, 52769)]