21721664944

素因数分解:

$2^4\times 7^1\times {\mathrm{887}}^1\times {\mathrm{218651}}^1$

素因数の和:219553

約数の個数: 40

約数和(自身を含む): 48152418048

約数和(自身を除く): 26430753104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 887, 1774, 3548, 6209, 7096, 12418, 14192, 24836, 49672, 99344, 218651, 437302, 874604, 1530557, 1749208, 3061114, 3498416, 6122228, 12244456, 24488912, 193943437, 387886874, 775773748, 1357604059, 1551547496, 2715208118, 3103094992, 5430416236, 10860832472, 21721664944]

約数ペア:

[(1, 21721664944), (2, 10860832472), (4, 5430416236), (7, 3103094992), (8, 2715208118), (14, 1551547496), (16, 1357604059), (28, 775773748), (56, 387886874), (112, 193943437), (887, 24488912), (1774, 12244456), (3548, 6122228), (6209, 3498416), (7096, 3061114), (12418, 1749208), (14192, 1530557), (24836, 874604), (49672, 437302), (99344, 218651)]