21766576

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{461}}^1$

素因数の和:709

約数の個数: 40

約数和(自身を含む): 45715824

約数和(自身を除く): 23949248

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 227, 454, 461, 908, 922, 1816, 1844, 2951, 3632, 3688, 5902, 5993, 7376, 11804, 11986, 23608, 23972, 47216, 47944, 95888, 104647, 209294, 418588, 837176, 1360411, 1674352, 2720822, 5441644, 10883288, 21766576]

約数ペア:

[(1, 21766576), (2, 10883288), (4, 5441644), (8, 2720822), (13, 1674352), (16, 1360411), (26, 837176), (52, 418588), (104, 209294), (208, 104647), (227, 95888), (454, 47944), (461, 47216), (908, 23972), (922, 23608), (1816, 11986), (1844, 11804), (2951, 7376), (3632, 5993), (3688, 5902)]