21718438

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 38541888

約数和(自身を除く): 16823450

約数列:

[1, 2, 7, 14, 41, 82, 157, 241, 287, 314, 482, 574, 1099, 1687, 2198, 3374, 6437, 9881, 12874, 19762, 37837, 45059, 69167, 75674, 90118, 138334, 264859, 529718, 1551317, 3102634, 10859219, 21718438]

約数ペア:

[(1, 21718438), (2, 10859219), (7, 3102634), (14, 1551317), (41, 529718), (82, 264859), (157, 138334), (241, 90118), (287, 75674), (314, 69167), (482, 45059), (574, 37837), (1099, 19762), (1687, 12874), (2198, 9881), (3374, 6437)]