21027266

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 36369648

約数和(自身を除く): 15342382

約数列:

[1, 2, 13, 17, 26, 34, 113, 221, 226, 421, 442, 842, 1469, 1921, 2938, 3842, 5473, 7157, 10946, 14314, 24973, 47573, 49946, 93041, 95146, 186082, 618449, 808741, 1236898, 1617482, 10513633, 21027266]

約数ペア:

[(1, 21027266), (2, 10513633), (13, 1617482), (17, 1236898), (26, 808741), (34, 618449), (113, 186082), (221, 95146), (226, 93041), (421, 49946), (442, 47573), (842, 24973), (1469, 14314), (1921, 10946), (2938, 7157), (3842, 5473)]