21013204

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{269}}^1\times {\mathrm{331}}^1$

素因数の和:663

約数の個数: 24

約数和(自身を含む): 37648800

約数和(自身を除く): 16635596

約数列:

[1, 2, 4, 59, 118, 236, 269, 331, 538, 662, 1076, 1324, 15871, 19529, 31742, 39058, 63484, 78116, 89039, 178078, 356156, 5253301, 10506602, 21013204]

約数ペア:

[(1, 21013204), (2, 10506602), (4, 5253301), (59, 356156), (118, 178078), (236, 89039), (269, 78116), (331, 63484), (538, 39058), (662, 31742), (1076, 19529), (1324, 15871)]