21373669121

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{887}}^1\times {\mathrm{13291}}^1$

素因数の和:14229

約数の個数: 24

約数和(自身を含む): 25565939136

約数和(自身を除く): 4192270015

約数列:

[1, 7, 37, 49, 259, 887, 1813, 6209, 13291, 32819, 43463, 93037, 229733, 491767, 651259, 1608131, 3442369, 11789117, 24096583, 82523819, 436197329, 577666733, 3053381303, 21373669121]

約数ペア:

[(1, 21373669121), (7, 3053381303), (37, 577666733), (49, 436197329), (259, 82523819), (887, 24096583), (1813, 11789117), (6209, 3442369), (13291, 1608131), (32819, 651259), (43463, 491767), (93037, 229733)]