21347372

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1487}}^1$

素因数の和:1625

約数の個数: 24

約数和(自身を含む): 38789184

約数和(自身を除く): 17441812

約数列:

[1, 2, 4, 37, 74, 97, 148, 194, 388, 1487, 2974, 3589, 5948, 7178, 14356, 55019, 110038, 144239, 220076, 288478, 576956, 5336843, 10673686, 21347372]

約数ペア:

[(1, 21347372), (2, 10673686), (4, 5336843), (37, 576956), (74, 288478), (97, 220076), (148, 144239), (194, 110038), (388, 55019), (1487, 14356), (2974, 7178), (3589, 5948)]