21454137

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{757}}^1$

素因数の和:877

約数の個数: 24

約数和(自身を含む): 32163456

約数和(自身を除く): 10709319

約数列:

[1, 3, 9, 47, 67, 141, 201, 423, 603, 757, 2271, 3149, 6813, 9447, 28341, 35579, 50719, 106737, 152157, 320211, 456471, 2383793, 7151379, 21454137]

約数ペア:

[(1, 21454137), (3, 7151379), (9, 2383793), (47, 456471), (67, 320211), (141, 152157), (201, 106737), (423, 50719), (603, 35579), (757, 28341), (2271, 9447), (3149, 6813)]