21807118

素因数分解:

$2^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:759

約数の個数: 16

約数和(自身を含む): 33204096

約数和(自身を除く): 11396978

約数列:

[1, 2, 151, 163, 302, 326, 443, 886, 24613, 49226, 66893, 72209, 133786, 144418, 10903559, 21807118]

約数ペア:

[(1, 21807118), (2, 10903559), (151, 144418), (163, 133786), (302, 72209), (326, 66893), (443, 49226), (886, 24613)]