21285909072

素因数分解:

$2^4\times 3^2\times {\mathrm{229}}^1\times {\mathrm{645497}}^1$

素因数の和:645740

約数の個数: 60

約数和(自身を含む): 59831209620

約数和(自身を除く): 38545300548

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 229, 458, 687, 916, 1374, 1832, 2061, 2748, 3664, 4122, 5496, 8244, 10992, 16488, 32976, 645497, 1290994, 1936491, 2581988, 3872982, 5163976, 5809473, 7745964, 10327952, 11618946, 15491928, 23237892, 30983856, 46475784, 92951568, 147818813, 295637626, 443456439, 591275252, 886912878, 1182550504, 1330369317, 1773825756, 2365101008, 2660738634, 3547651512, 5321477268, 7095303024, 10642954536, 21285909072]

約数ペア:

[(1, 21285909072), (2, 10642954536), (3, 7095303024), (4, 5321477268), (6, 3547651512), (8, 2660738634), (9, 2365101008), (12, 1773825756), (16, 1330369317), (18, 1182550504), (24, 886912878), (36, 591275252), (48, 443456439), (72, 295637626), (144, 147818813), (229, 92951568), (458, 46475784), (687, 30983856), (916, 23237892), (1374, 15491928), (1832, 11618946), (2061, 10327952), (2748, 7745964), (3664, 5809473), (4122, 5163976), (5496, 3872982), (8244, 2581988), (10992, 1936491), (16488, 1290994), (32976, 645497)]