21051632

素因数分解:

$2^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1861}}^1$

素因数の和:1977

約数の個数: 40

約数和(自身を含む): 47101152

約数和(自身を除く): 26049520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 101, 112, 202, 404, 707, 808, 1414, 1616, 1861, 2828, 3722, 5656, 7444, 11312, 13027, 14888, 26054, 29776, 52108, 104216, 187961, 208432, 375922, 751844, 1315727, 1503688, 2631454, 3007376, 5262908, 10525816, 21051632]

約数ペア:

[(1, 21051632), (2, 10525816), (4, 5262908), (7, 3007376), (8, 2631454), (14, 1503688), (16, 1315727), (28, 751844), (56, 375922), (101, 208432), (112, 187961), (202, 104216), (404, 52108), (707, 29776), (808, 26054), (1414, 14888), (1616, 13027), (1861, 11312), (2828, 7444), (3722, 5656)]