21351098

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^2\times {\mathrm{151}}^1$

素因数の和:294

約数の個数: 24

約数和(自身を含む): 34500960

約数和(自身を除く): 13149862

約数列:

[1, 2, 19, 38, 61, 122, 151, 302, 1159, 2318, 2869, 3721, 5738, 7442, 9211, 18422, 70699, 141398, 175009, 350018, 561871, 1123742, 10675549, 21351098]

約数ペア:

[(1, 21351098), (2, 10675549), (19, 1123742), (38, 561871), (61, 350018), (122, 175009), (151, 141398), (302, 70699), (1159, 18422), (2318, 9211), (2869, 7442), (3721, 5738)]