21788696

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{1061}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 43584480

約数和(自身を除く): 21795784

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 151, 302, 604, 1061, 1208, 2122, 2567, 4244, 5134, 8488, 10268, 18037, 20536, 36074, 72148, 144296, 160211, 320422, 640844, 1281688, 2723587, 5447174, 10894348, 21788696]

約数ペア:

[(1, 21788696), (2, 10894348), (4, 5447174), (8, 2723587), (17, 1281688), (34, 640844), (68, 320422), (136, 160211), (151, 144296), (302, 72148), (604, 36074), (1061, 20536), (1208, 18037), (2122, 10268), (2567, 8488), (4244, 5134)]