21516652

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{541}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 38577392

約数和(自身を除く): 17060740

約数列:

[1, 2, 4, 61, 122, 163, 244, 326, 541, 652, 1082, 2164, 9943, 19886, 33001, 39772, 66002, 88183, 132004, 176366, 352732, 5379163, 10758326, 21516652]

約数ペア:

[(1, 21516652), (2, 10758326), (4, 5379163), (61, 352732), (122, 176366), (163, 132004), (244, 88183), (326, 66002), (541, 39772), (652, 33001), (1082, 19886), (2164, 9943)]