21915852380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{35348149}}^1$

素因数の和:35348189

約数の個数: 24

約数和(自身を含む): 47507913600

約数和(自身を除く): 25592061220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 35348149, 70696298, 141392596, 176740745, 353481490, 706962980, 1095792619, 2191585238, 4383170476, 5478963095, 10957926190, 21915852380]

約数ペア:

[(1, 21915852380), (2, 10957926190), (4, 5478963095), (5, 4383170476), (10, 2191585238), (20, 1095792619), (31, 706962980), (62, 353481490), (124, 176740745), (155, 141392596), (310, 70696298), (620, 35348149)]