21254438

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{1259}}^1$

素因数の和:1651

約数の個数: 16

約数和(自身を含む): 33384960

約数和(自身を除く): 12130522

約数列:

[1, 2, 23, 46, 367, 734, 1259, 2518, 8441, 16882, 28957, 57914, 462053, 924106, 10627219, 21254438]

約数ペア:

[(1, 21254438), (2, 10627219), (23, 924106), (46, 462053), (367, 57914), (734, 28957), (1259, 16882), (2518, 8441)]