21658534

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{2473}}^1$

素因数の和:2655

約数の個数: 16

約数和(自身を含む): 33844320

約数和(自身を除く): 12185786

約数列:

[1, 2, 29, 58, 151, 302, 2473, 4379, 4946, 8758, 71717, 143434, 373423, 746846, 10829267, 21658534]

約数ペア:

[(1, 21658534), (2, 10829267), (29, 746846), (58, 373423), (151, 143434), (302, 71717), (2473, 8758), (4379, 4946)]