21546488

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{307}}^1$

素因数の和:627

約数の個数: 32

約数和(自身を含む): 41986560

約数和(自身を除く): 20440072

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 283, 307, 566, 614, 1132, 1228, 2264, 2456, 8773, 9517, 17546, 19034, 35092, 38068, 70184, 76136, 86881, 173762, 347524, 695048, 2693311, 5386622, 10773244, 21546488]

約数ペア:

[(1, 21546488), (2, 10773244), (4, 5386622), (8, 2693311), (31, 695048), (62, 347524), (124, 173762), (248, 86881), (283, 76136), (307, 70184), (566, 38068), (614, 35092), (1132, 19034), (1228, 17546), (2264, 9517), (2456, 8773)]