21355592

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{419}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 42033600

約数和(自身を除く): 20678008

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 277, 419, 554, 838, 1108, 1676, 2216, 3352, 6371, 9637, 12742, 19274, 25484, 38548, 50968, 77096, 116063, 232126, 464252, 928504, 2669449, 5338898, 10677796, 21355592]

約数ペア:

[(1, 21355592), (2, 10677796), (4, 5338898), (8, 2669449), (23, 928504), (46, 464252), (92, 232126), (184, 116063), (277, 77096), (419, 50968), (554, 38548), (838, 25484), (1108, 19274), (1676, 12742), (2216, 9637), (3352, 6371)]