21737403

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{79}}^2$

素因数の和:213

約数の個数: 30

約数和(自身を含む): 33653004

約数和(自身を除く): 11915601

約数列:

[1, 3, 9, 27, 43, 79, 81, 129, 237, 387, 711, 1161, 2133, 3397, 3483, 6241, 6399, 10191, 18723, 30573, 56169, 91719, 168507, 268363, 275157, 505521, 805089, 2415267, 7245801, 21737403]

約数ペア:

[(1, 21737403), (3, 7245801), (9, 2415267), (27, 805089), (43, 505521), (79, 275157), (81, 268363), (129, 168507), (237, 91719), (387, 56169), (711, 30573), (1161, 18723), (2133, 10191), (3397, 6399), (3483, 6241)]