21128802

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 43130880

約数和(自身を除く): 22002078

約数列:

[1, 2, 3, 6, 103, 179, 191, 206, 309, 358, 382, 537, 573, 618, 1074, 1146, 18437, 19673, 34189, 36874, 39346, 55311, 59019, 68378, 102567, 110622, 118038, 205134, 3521467, 7042934, 10564401, 21128802]

約数ペア:

[(1, 21128802), (2, 10564401), (3, 7042934), (6, 3521467), (103, 205134), (179, 118038), (191, 110622), (206, 102567), (309, 68378), (358, 59019), (382, 55311), (537, 39346), (573, 36874), (618, 34189), (1074, 19673), (1146, 18437)]