21658882

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{7621}}^1$

素因数の和:7666

約数の個数: 24

約数和(自身を含む): 39100860

約数和(自身を除く): 17441978

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 406, 1421, 2842, 7621, 15242, 53347, 106694, 221009, 373429, 442018, 746858, 1547063, 3094126, 10829441, 21658882]

約数ペア:

[(1, 21658882), (2, 10829441), (7, 3094126), (14, 1547063), (29, 746858), (49, 442018), (58, 373429), (98, 221009), (203, 106694), (406, 53347), (1421, 15242), (2842, 7621)]