21957216

素因数分解:

$2^5\times 3^1\times {\mathrm{331}}^1\times {\mathrm{691}}^1$

素因数の和:1035

約数の個数: 48

約数和(自身を含む): 57895488

約数和(自身を除く): 35938272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 331, 662, 691, 993, 1324, 1382, 1986, 2073, 2648, 2764, 3972, 4146, 5296, 5528, 7944, 8292, 10592, 11056, 15888, 16584, 22112, 31776, 33168, 66336, 228721, 457442, 686163, 914884, 1372326, 1829768, 2744652, 3659536, 5489304, 7319072, 10978608, 21957216]

約数ペア:

[(1, 21957216), (2, 10978608), (3, 7319072), (4, 5489304), (6, 3659536), (8, 2744652), (12, 1829768), (16, 1372326), (24, 914884), (32, 686163), (48, 457442), (96, 228721), (331, 66336), (662, 33168), (691, 31776), (993, 22112), (1324, 16584), (1382, 15888), (1986, 11056), (2073, 10592), (2648, 8292), (2764, 7944), (3972, 5528), (4146, 5296)]