21179366

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 36142848

約数和(自身を除く): 14963482

約数列:

[1, 2, 13, 23, 26, 46, 107, 214, 299, 331, 598, 662, 1391, 2461, 2782, 4303, 4922, 7613, 8606, 15226, 31993, 35417, 63986, 70834, 98969, 197938, 460421, 814591, 920842, 1629182, 10589683, 21179366]

約数ペア:

[(1, 21179366), (2, 10589683), (13, 1629182), (23, 920842), (26, 814591), (46, 460421), (107, 197938), (214, 98969), (299, 70834), (331, 63986), (598, 35417), (662, 31993), (1391, 15226), (2461, 8606), (2782, 7613), (4303, 4922)]