21586616

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{23879}}^1$

素因数の和:23998

約数の個数: 16

約数和(自身を含む): 40834800

約数和(自身を除く): 19248184

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 23879, 47758, 95516, 191032, 2698327, 5396654, 10793308, 21586616]

約数ペア:

[(1, 21586616), (2, 10793308), (4, 5396654), (8, 2698327), (113, 191032), (226, 95516), (452, 47758), (904, 23879)]