21958612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 43302672

約数和(自身を除く): 21344060

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 101, 113, 148, 202, 226, 404, 452, 481, 962, 1313, 1469, 1924, 2626, 2938, 3737, 4181, 5252, 5876, 7474, 8362, 11413, 14948, 16724, 22826, 45652, 48581, 54353, 97162, 108706, 148369, 194324, 217412, 296738, 422281, 593476, 844562, 1689124, 5489653, 10979306, 21958612]

約数ペア:

[(1, 21958612), (2, 10979306), (4, 5489653), (13, 1689124), (26, 844562), (37, 593476), (52, 422281), (74, 296738), (101, 217412), (113, 194324), (148, 148369), (202, 108706), (226, 97162), (404, 54353), (452, 48581), (481, 45652), (962, 22826), (1313, 16724), (1469, 14948), (1924, 11413), (2626, 8362), (2938, 7474), (3737, 5876), (4181, 5252)]