21649754

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 38247552

約数和(自身を除く): 16597798

約数列:

[1, 2, 7, 14, 61, 101, 122, 202, 251, 427, 502, 707, 854, 1414, 1757, 3514, 6161, 12322, 15311, 25351, 30622, 43127, 50702, 86254, 107177, 177457, 214354, 354914, 1546411, 3092822, 10824877, 21649754]

約数ペア:

[(1, 21649754), (2, 10824877), (7, 3092822), (14, 1546411), (61, 354914), (101, 214354), (122, 177457), (202, 107177), (251, 86254), (427, 50702), (502, 43127), (707, 30622), (854, 25351), (1414, 15311), (1757, 12322), (3514, 6161)]