21745108

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4153}}^1$

素因数の和:4192

約数の個数: 48

約数和(自身を含む): 50246784

約数和(自身を除く): 28501676

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 308, 374, 476, 748, 1309, 2618, 4153, 5236, 8306, 16612, 29071, 45683, 58142, 70601, 91366, 116284, 141202, 182732, 282404, 319781, 494207, 639562, 776611, 988414, 1279124, 1553222, 1976828, 3106444, 5436277, 10872554, 21745108]

約数ペア:

[(1, 21745108), (2, 10872554), (4, 5436277), (7, 3106444), (11, 1976828), (14, 1553222), (17, 1279124), (22, 988414), (28, 776611), (34, 639562), (44, 494207), (68, 319781), (77, 282404), (119, 182732), (154, 141202), (187, 116284), (238, 91366), (308, 70601), (374, 58142), (476, 45683), (748, 29071), (1309, 16612), (2618, 8306), (4153, 5236)]