21102753

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43691}}^1$

素因数の和:43724

約数の個数: 16

約数和(自身を含む): 33555456

約数和(自身を除く): 12452703

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 43691, 131073, 305837, 917511, 1004893, 3014679, 7034251, 21102753]

約数ペア:

[(1, 21102753), (3, 7034251), (7, 3014679), (21, 1004893), (23, 917511), (69, 305837), (161, 131073), (483, 43691)]