21578730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6599}}^1$

素因数の和:6718

約数の個数: 32

約数和(自身を含む): 52272000

約数和(自身を除く): 30693270

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 109, 218, 327, 545, 654, 1090, 1635, 3270, 6599, 13198, 19797, 32995, 39594, 65990, 98985, 197970, 719291, 1438582, 2157873, 3596455, 4315746, 7192910, 10789365, 21578730]

約数ペア:

[(1, 21578730), (2, 10789365), (3, 7192910), (5, 4315746), (6, 3596455), (10, 2157873), (15, 1438582), (30, 719291), (109, 197970), (218, 98985), (327, 65990), (545, 39594), (654, 32995), (1090, 19797), (1635, 13198), (3270, 6599)]