21373669156

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{36857}}^1$

素因数の和:37156

約数の個数: 48

約数和(自身を含む): 43345008000

約数和(自身を除く): 21971338844

約数列:

[1, 2, 4, 7, 14, 28, 139, 149, 278, 298, 556, 596, 973, 1043, 1946, 2086, 3892, 4172, 20711, 36857, 41422, 73714, 82844, 144977, 147428, 257999, 289954, 515998, 579908, 1031996, 5123123, 5491693, 10246246, 10983386, 20492492, 21966772, 35861861, 38441851, 71723722, 76883702, 143447444, 153767404, 763345327, 1526690654, 3053381308, 5343417289, 10686834578, 21373669156]

約数ペア:

[(1, 21373669156), (2, 10686834578), (4, 5343417289), (7, 3053381308), (14, 1526690654), (28, 763345327), (139, 153767404), (149, 143447444), (278, 76883702), (298, 71723722), (556, 38441851), (596, 35861861), (973, 21966772), (1043, 20492492), (1946, 10983386), (2086, 10246246), (3892, 5491693), (4172, 5123123), (20711, 1031996), (36857, 579908), (41422, 515998), (73714, 289954), (82844, 257999), (144977, 147428)]