21219044

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6263}}^1$

素因数の和:6296

約数の個数: 36

約数和(自身を含む): 46654272

約数和(自身を除く): 25435228

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 6263, 12526, 25052, 43841, 68893, 87682, 137786, 175364, 275572, 482251, 757823, 964502, 1515646, 1929004, 3031292, 5304761, 10609522, 21219044]

約数ペア:

[(1, 21219044), (2, 10609522), (4, 5304761), (7, 3031292), (11, 1929004), (14, 1515646), (22, 964502), (28, 757823), (44, 482251), (77, 275572), (121, 175364), (154, 137786), (242, 87682), (308, 68893), (484, 43841), (847, 25052), (1694, 12526), (3388, 6263)]