21766424

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{40609}}^1$

素因数の和:40682

約数の個数: 16

約数和(自身を含む): 41422200

約数和(自身を除く): 19655776

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 40609, 81218, 162436, 324872, 2720803, 5441606, 10883212, 21766424]

約数ペア:

[(1, 21766424), (2, 10883212), (4, 5441606), (8, 2720803), (67, 324872), (134, 162436), (268, 81218), (536, 40609)]