21231093

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{23669}}^1$

素因数の和:23708

約数の個数: 16

約数和(自身を含む): 31812480

約数和(自身を除く): 10581387

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 23669, 71007, 307697, 544387, 923091, 1633161, 7077031, 21231093]

約数ペア:

[(1, 21231093), (3, 7077031), (13, 1633161), (23, 923091), (39, 544387), (69, 307697), (299, 71007), (897, 23669)]