21531168

素因数分解:

$2^5\times 3^2\times {\mathrm{74761}}^1$

素因数の和:74777

約数の個数: 36

約数和(自身を含む): 61230078

約数和(自身を除く): 39698910

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 74761, 149522, 224283, 299044, 448566, 598088, 672849, 897132, 1196176, 1345698, 1794264, 2392352, 2691396, 3588528, 5382792, 7177056, 10765584, 21531168]

約数ペア:

[(1, 21531168), (2, 10765584), (3, 7177056), (4, 5382792), (6, 3588528), (8, 2691396), (9, 2392352), (12, 1794264), (16, 1345698), (18, 1196176), (24, 897132), (32, 672849), (36, 598088), (48, 448566), (72, 299044), (96, 224283), (144, 149522), (288, 74761)]