21722360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{49369}}^1$

素因数の和:49391

約数の個数: 32

約数和(自身を含む): 53319600

約数和(自身を除く): 31597240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 49369, 98738, 197476, 246845, 394952, 493690, 543059, 987380, 1086118, 1974760, 2172236, 2715295, 4344472, 5430590, 10861180, 21722360]

約数ペア:

[(1, 21722360), (2, 10861180), (4, 5430590), (5, 4344472), (8, 2715295), (10, 2172236), (11, 1974760), (20, 1086118), (22, 987380), (40, 543059), (44, 493690), (55, 394952), (88, 246845), (110, 197476), (220, 98738), (440, 49369)]