21628497

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{1303}}^1$

素因数の和:1820

約数の個数: 16

約数和(自身を含む): 31546368

約数和(自身を除く): 9917871

約数列:

[1, 3, 11, 33, 503, 1303, 1509, 3909, 5533, 14333, 16599, 42999, 655409, 1966227, 7209499, 21628497]

約数ペア:

[(1, 21628497), (3, 7209499), (11, 1966227), (33, 655409), (503, 42999), (1303, 16599), (1509, 14333), (3909, 5533)]