21249334

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{1213}}^1$

素因数の和:1695

約数の個数: 16

約数和(自身を含む): 33652080

約数和(自身を除く): 12402746

約数列:

[1, 2, 19, 38, 461, 922, 1213, 2426, 8759, 17518, 23047, 46094, 559193, 1118386, 10624667, 21249334]

約数ペア:

[(1, 21249334), (2, 10624667), (19, 1118386), (38, 559193), (461, 46094), (922, 23047), (1213, 17518), (2426, 8759)]