21087608

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{23327}}^1$

素因数の和:23446

約数の個数: 16

約数和(自身を含む): 39890880

約数和(自身を除く): 18803272

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 23327, 46654, 93308, 186616, 2635951, 5271902, 10543804, 21087608]

約数ペア:

[(1, 21087608), (2, 10543804), (4, 5271902), (8, 2635951), (113, 186616), (226, 93308), (452, 46654), (904, 23327)]