21227613

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^2\times {\mathrm{229}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 31607520

約数和(自身を除く): 10379907

約数列:

[1, 3, 11, 33, 53, 159, 229, 583, 687, 1749, 2519, 2809, 7557, 8427, 12137, 30899, 36411, 92697, 133507, 400521, 643261, 1929783, 7075871, 21227613]

約数ペア:

[(1, 21227613), (3, 7075871), (11, 1929783), (33, 643261), (53, 400521), (159, 133507), (229, 92697), (583, 36411), (687, 30899), (1749, 12137), (2519, 8427), (2809, 7557)]