21351622

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{661}}^1$

素因数の和:1215

約数の個数: 16

約数和(自身を含む): 33174144

約数和(自身を除く): 11822522

約数列:

[1, 2, 31, 62, 521, 661, 1042, 1322, 16151, 20491, 32302, 40982, 344381, 688762, 10675811, 21351622]

約数ペア:

[(1, 21351622), (2, 10675811), (31, 688762), (62, 344381), (521, 40982), (661, 32302), (1042, 20491), (1322, 16151)]