21660933

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{7529}}^1$

素因数の和:7676

約数の個数: 16

約数和(自身を含む): 33252480

約数和(自身を除く): 11591547

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 7529, 22587, 52703, 158109, 1031473, 3094419, 7220311, 21660933]

約数ペア:

[(1, 21660933), (3, 7220311), (7, 3094419), (21, 1031473), (137, 158109), (411, 52703), (959, 22587), (2877, 7529)]