21024807

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{467}}^1$

素因数の和:862

約数の個数: 16

約数和(自身を含む): 28828800

約数和(自身を除く): 7803993

約数列:

[1, 3, 43, 129, 349, 467, 1047, 1401, 15007, 20081, 45021, 60243, 162983, 488949, 7008269, 21024807]

約数ペア:

[(1, 21024807), (3, 7008269), (43, 488949), (129, 162983), (349, 60243), (467, 45021), (1047, 20081), (1401, 15007)]