21817072

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{18679}}^1$

素因数の和:18760

約数の個数: 20

約数和(自身を含む): 42851920

約数和(自身を除く): 21034848

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 18679, 37358, 74716, 149432, 298864, 1363567, 2727134, 5454268, 10908536, 21817072]

約数ペア:

[(1, 21817072), (2, 10908536), (4, 5454268), (8, 2727134), (16, 1363567), (73, 298864), (146, 149432), (292, 74716), (584, 37358), (1168, 18679)]