21113936

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{18077}}^1$

素因数の和:18158

約数の個数: 20

約数和(自身を含む): 41470932

約数和(自身を除く): 20356996

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 18077, 36154, 72308, 144616, 289232, 1319621, 2639242, 5278484, 10556968, 21113936]

約数ペア:

[(1, 21113936), (2, 10556968), (4, 5278484), (8, 2639242), (16, 1319621), (73, 289232), (146, 144616), (292, 72308), (584, 36154), (1168, 18077)]