21850250

素因数分解:

$2^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{1231}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 41513472

約数和(自身を除く): 19663222

約数列:

[1, 2, 5, 10, 25, 50, 71, 125, 142, 250, 355, 710, 1231, 1775, 2462, 3550, 6155, 8875, 12310, 17750, 30775, 61550, 87401, 153875, 174802, 307750, 437005, 874010, 2185025, 4370050, 10925125, 21850250]

約数ペア:

[(1, 21850250), (2, 10925125), (5, 4370050), (10, 2185025), (25, 874010), (50, 437005), (71, 307750), (125, 174802), (142, 153875), (250, 87401), (355, 61550), (710, 30775), (1231, 17750), (1775, 12310), (2462, 8875), (3550, 6155)]