21937432

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2801}}^1$

素因数の和:2907

約数の個数: 32

約数和(自身を含む): 45392400

約数和(自身を除く): 23454968

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 178, 356, 712, 979, 1958, 2801, 3916, 5602, 7832, 11204, 22408, 30811, 61622, 123244, 246488, 249289, 498578, 997156, 1994312, 2742179, 5484358, 10968716, 21937432]

約数ペア:

[(1, 21937432), (2, 10968716), (4, 5484358), (8, 2742179), (11, 1994312), (22, 997156), (44, 498578), (88, 249289), (89, 246488), (178, 123244), (356, 61622), (712, 30811), (979, 22408), (1958, 11204), (2801, 7832), (3916, 5602)]