21356808

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{80897}}^1$

素因数の和:80917

約数の個数: 32

約数和(自身を含む): 58246560

約数和(自身を除く): 36889752

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 80897, 161794, 242691, 323588, 485382, 647176, 889867, 970764, 1779734, 1941528, 2669601, 3559468, 5339202, 7118936, 10678404, 21356808]

約数ペア:

[(1, 21356808), (2, 10678404), (3, 7118936), (4, 5339202), (6, 3559468), (8, 2669601), (11, 1941528), (12, 1779734), (22, 970764), (24, 889867), (33, 647176), (44, 485382), (66, 323588), (88, 242691), (132, 161794), (264, 80897)]