21991158

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{174533}}^1$

素因数の和:174548

約数の個数: 24

約数和(自身を含む): 54454608

約数和(自身を除く): 32463450

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 174533, 349066, 523599, 1047198, 1221731, 1570797, 2443462, 3141594, 3665193, 7330386, 10995579, 21991158]

約数ペア:

[(1, 21991158), (2, 10995579), (3, 7330386), (6, 3665193), (7, 3141594), (9, 2443462), (14, 1570797), (18, 1221731), (21, 1047198), (42, 523599), (63, 349066), (126, 174533)]