21831628

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1621}}^1$

素因数の和:1682

約数の個数: 48

約数和(自身を含む): 48322624

約数和(自身を除く): 26490996

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 52, 74, 91, 148, 182, 259, 364, 481, 518, 962, 1036, 1621, 1924, 3242, 3367, 6484, 6734, 11347, 13468, 21073, 22694, 42146, 45388, 59977, 84292, 119954, 147511, 239908, 295022, 419839, 590044, 779701, 839678, 1559402, 1679356, 3118804, 5457907, 10915814, 21831628]

約数ペア:

[(1, 21831628), (2, 10915814), (4, 5457907), (7, 3118804), (13, 1679356), (14, 1559402), (26, 839678), (28, 779701), (37, 590044), (52, 419839), (74, 295022), (91, 239908), (148, 147511), (182, 119954), (259, 84292), (364, 59977), (481, 45388), (518, 42146), (962, 22694), (1036, 21073), (1621, 13468), (1924, 11347), (3242, 6734), (3367, 6484)]