21283970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3191}}^1$

素因数の和:3250

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 20084350

約数列:

[1, 2, 5, 10, 23, 29, 46, 58, 115, 145, 230, 290, 667, 1334, 3191, 3335, 6382, 6670, 15955, 31910, 73393, 92539, 146786, 185078, 366965, 462695, 733930, 925390, 2128397, 4256794, 10641985, 21283970]

約数ペア:

[(1, 21283970), (2, 10641985), (5, 4256794), (10, 2128397), (23, 925390), (29, 733930), (46, 462695), (58, 366965), (115, 185078), (145, 146786), (230, 92539), (290, 73393), (667, 31910), (1334, 15955), (3191, 6670), (3335, 6382)]