21039945393604

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{1716079}}^1\times {\mathrm{74759}}^1$

素因数の和:1790883

約数の個数: 24

約数和(自身を含む): 37718477395200

約数和(自身を除く): 16678532001596

約数列:

[1, 2, 4, 41, 82, 164, 74759, 149518, 299036, 1716079, 3065119, 3432158, 6130238, 6864316, 12260476, 70359239, 140718478, 281436956, 128292349961, 256584699922, 513169399844, 5259986348401, 10519972696802, 21039945393604]

約数ペア:

[(1, 21039945393604), (2, 10519972696802), (4, 5259986348401), (41, 513169399844), (82, 256584699922), (164, 128292349961), (74759, 281436956), (149518, 140718478), (299036, 70359239), (1716079, 12260476), (3065119, 6864316), (3432158, 6130238)]