21736325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1423}}^1$

素因数の和:1493

約数の個数: 24

約数和(自身を含む): 29664768

約数和(自身を除く): 7928443

約数列:

[1, 5, 13, 25, 47, 65, 235, 325, 611, 1175, 1423, 3055, 7115, 15275, 18499, 35575, 66881, 92495, 334405, 462475, 869453, 1672025, 4347265, 21736325]

約数ペア:

[(1, 21736325), (5, 4347265), (13, 1672025), (25, 869453), (47, 462475), (65, 334405), (235, 92495), (325, 66881), (611, 35575), (1175, 18499), (1423, 15275), (3055, 7115)]