21222414

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:633

約数の個数: 48

約数和(自身を含む): 48207744

約数和(自身を除く): 26985330

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 73, 93, 146, 186, 219, 279, 438, 521, 558, 657, 1042, 1314, 1563, 2263, 3126, 4526, 4689, 6789, 9378, 13578, 16151, 20367, 32302, 38033, 40734, 48453, 76066, 96906, 114099, 145359, 228198, 290718, 342297, 684594, 1179023, 2358046, 3537069, 7074138, 10611207, 21222414]

約数ペア:

[(1, 21222414), (2, 10611207), (3, 7074138), (6, 3537069), (9, 2358046), (18, 1179023), (31, 684594), (62, 342297), (73, 290718), (93, 228198), (146, 145359), (186, 114099), (219, 96906), (279, 76066), (438, 48453), (521, 40734), (558, 38033), (657, 32302), (1042, 20367), (1314, 16151), (1563, 13578), (2263, 9378), (3126, 6789), (4526, 4689)]