21032756

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2389}}^1$

素因数の和:2495

約数の個数: 24

約数和(自身を含む): 38545920

約数和(自身を除く): 17513164

約数列:

[1, 2, 4, 31, 62, 71, 124, 142, 284, 2201, 2389, 4402, 4778, 8804, 9556, 74059, 148118, 169619, 296236, 339238, 678476, 5258189, 10516378, 21032756]

約数ペア:

[(1, 21032756), (2, 10516378), (4, 5258189), (31, 678476), (62, 339238), (71, 296236), (124, 169619), (142, 148118), (284, 74059), (2201, 9556), (2389, 8804), (4402, 4778)]