21401044

素因数分解:

$2^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{797}}^1$

素因数の和:952

約数の個数: 36

約数和(自身を含む): 43939476

約数和(自身を除く): 22538432

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 137, 196, 274, 548, 797, 959, 1594, 1918, 3188, 3836, 5579, 6713, 11158, 13426, 22316, 26852, 39053, 78106, 109189, 156212, 218378, 436756, 764323, 1528646, 3057292, 5350261, 10700522, 21401044]

約数ペア:

[(1, 21401044), (2, 10700522), (4, 5350261), (7, 3057292), (14, 1528646), (28, 764323), (49, 436756), (98, 218378), (137, 156212), (196, 109189), (274, 78106), (548, 39053), (797, 26852), (959, 22316), (1594, 13426), (1918, 11158), (3188, 6713), (3836, 5579)]