21009824

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3511}}^1$

素因数の和:3549

約数の個数: 48

約数和(自身を含む): 47791296

約数和(自身を除く): 26781472

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 352, 374, 544, 748, 1496, 2992, 3511, 5984, 7022, 14044, 28088, 38621, 56176, 59687, 77242, 112352, 119374, 154484, 238748, 308968, 477496, 617936, 656557, 954992, 1235872, 1313114, 1909984, 2626228, 5252456, 10504912, 21009824]

約数ペア:

[(1, 21009824), (2, 10504912), (4, 5252456), (8, 2626228), (11, 1909984), (16, 1313114), (17, 1235872), (22, 954992), (32, 656557), (34, 617936), (44, 477496), (68, 308968), (88, 238748), (136, 154484), (176, 119374), (187, 112352), (272, 77242), (352, 59687), (374, 56176), (544, 38621), (748, 28088), (1496, 14044), (2992, 7022), (3511, 5984)]