21583696

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{70999}}^1$

素因数の和:71026

約数の個数: 20

約数和(自身を含む): 44020000

約数和(自身を除く): 22436304

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 70999, 141998, 283996, 567992, 1135984, 1348981, 2697962, 5395924, 10791848, 21583696]

約数ペア:

[(1, 21583696), (2, 10791848), (4, 5395924), (8, 2697962), (16, 1348981), (19, 1135984), (38, 567992), (76, 283996), (152, 141998), (304, 70999)]