21352041

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 31824000

約数和(自身を除く): 10471959

約数列:

[1, 3, 9, 59, 79, 177, 237, 509, 531, 711, 1527, 4581, 4661, 13983, 30031, 40211, 41949, 90093, 120633, 270279, 361899, 2372449, 7117347, 21352041]

約数ペア:

[(1, 21352041), (3, 7117347), (9, 2372449), (59, 361899), (79, 270279), (177, 120633), (237, 90093), (509, 41949), (531, 40211), (711, 30031), (1527, 13983), (4581, 4661)]