21712413

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1\times {\mathrm{509}}^1$

素因数の和:812

約数の個数: 16

約数和(自身を含む): 29620800

約数和(自身を除く): 7908387

約数列:

[1, 3, 59, 177, 241, 509, 723, 1527, 14219, 30031, 42657, 90093, 122669, 368007, 7237471, 21712413]

約数ペア:

[(1, 21712413), (3, 7237471), (59, 368007), (177, 122669), (241, 90093), (509, 42657), (723, 30031), (1527, 14219)]