21859646

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{541}}^1$

素因数の和:859

約数の個数: 16

約数和(自身を含む): 33365520

約数和(自身を除く): 11505874

約数列:

[1, 2, 89, 178, 227, 454, 541, 1082, 20203, 40406, 48149, 96298, 122807, 245614, 10929823, 21859646]

約数ペア:

[(1, 21859646), (2, 10929823), (89, 245614), (178, 122807), (227, 96298), (454, 48149), (541, 40406), (1082, 20203)]