21890186

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^2$

素因数の和:346

約数の個数: 24

約数和(自身を含む): 36208620

約数和(自身を除く): 14318434

約数列:

[1, 2, 17, 29, 34, 58, 149, 298, 493, 986, 2533, 4321, 5066, 8642, 22201, 44402, 73457, 146914, 377417, 643829, 754834, 1287658, 10945093, 21890186]

約数ペア:

[(1, 21890186), (2, 10945093), (17, 1287658), (29, 754834), (34, 643829), (58, 377417), (149, 146914), (298, 73457), (493, 44402), (986, 22201), (2533, 8642), (4321, 5066)]