21135402

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{19249}}^1$

素因数の和:19318

約数の個数: 24

約数和(自身を含む): 46546500

約数和(自身を除く): 25411098

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 19249, 38498, 57747, 115494, 173241, 346482, 1174189, 2348378, 3522567, 7045134, 10567701, 21135402]

約数ペア:

[(1, 21135402), (2, 10567701), (3, 7045134), (6, 3522567), (9, 2348378), (18, 1174189), (61, 346482), (122, 173241), (183, 115494), (366, 57747), (549, 38498), (1098, 19249)]