21104056

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1979}}^1$

素因数の和:2059

約数の個数: 32

約数和(自身を含む): 41817600

約数和(自身を除く): 20713544

約数列:

[1, 2, 4, 8, 31, 43, 62, 86, 124, 172, 248, 344, 1333, 1979, 2666, 3958, 5332, 7916, 10664, 15832, 61349, 85097, 122698, 170194, 245396, 340388, 490792, 680776, 2638007, 5276014, 10552028, 21104056]

約数ペア:

[(1, 21104056), (2, 10552028), (4, 5276014), (8, 2638007), (31, 680776), (43, 490792), (62, 340388), (86, 245396), (124, 170194), (172, 122698), (248, 85097), (344, 61349), (1333, 15832), (1979, 10664), (2666, 7916), (3958, 5332)]