21721656

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{82279}}^1$

素因数の和:82299

約数の個数: 32

約数和(自身を含む): 59241600

約数和(自身を除く): 37519944

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 82279, 164558, 246837, 329116, 493674, 658232, 905069, 987348, 1810138, 1974696, 2715207, 3620276, 5430414, 7240552, 10860828, 21721656]

約数ペア:

[(1, 21721656), (2, 10860828), (3, 7240552), (4, 5430414), (6, 3620276), (8, 2715207), (11, 1974696), (12, 1810138), (22, 987348), (24, 905069), (33, 658232), (44, 493674), (66, 329116), (88, 246837), (132, 164558), (264, 82279)]