21648326

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{751}}^1$

素因数の和:860

約数の個数: 32

約数和(自身を含む): 38983680

約数和(自身を除く): 17335354

約数列:

[1, 2, 7, 14, 29, 58, 71, 142, 203, 406, 497, 751, 994, 1502, 2059, 4118, 5257, 10514, 14413, 21779, 28826, 43558, 53321, 106642, 152453, 304906, 373247, 746494, 1546309, 3092618, 10824163, 21648326]

約数ペア:

[(1, 21648326), (2, 10824163), (7, 3092618), (14, 1546309), (29, 746494), (58, 373247), (71, 304906), (142, 152453), (203, 106642), (406, 53321), (497, 43558), (751, 28826), (994, 21779), (1502, 14413), (2059, 10514), (4118, 5257)]