21849230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{168071}}^1$

素因数の和:168091

約数の個数: 16

約数和(自身を含む): 42354144

約数和(自身を除く): 20504914

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 168071, 336142, 840355, 1680710, 2184923, 4369846, 10924615, 21849230]

約数ペア:

[(1, 21849230), (2, 10924615), (5, 4369846), (10, 2184923), (13, 1680710), (26, 840355), (65, 336142), (130, 168071)]