21461336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10861}}^1$

素因数の和:10899

約数の個数: 32

約数和(自身を含む): 45620400

約数和(自身を除く): 24159064

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 10861, 21722, 43444, 86888, 141193, 206359, 282386, 412718, 564772, 825436, 1129544, 1650872, 2682667, 5365334, 10730668, 21461336]

約数ペア:

[(1, 21461336), (2, 10730668), (4, 5365334), (8, 2682667), (13, 1650872), (19, 1129544), (26, 825436), (38, 564772), (52, 412718), (76, 282386), (104, 206359), (152, 141193), (247, 86888), (494, 43444), (988, 21722), (1976, 10861)]