21272448

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{1787}}^1$

素因数の和:1835

約数の個数: 64

約数和(自身を含む): 58360320

約数和(自身を除く): 37087872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 372, 384, 496, 744, 992, 1488, 1787, 1984, 2976, 3574, 3968, 5361, 5952, 7148, 10722, 11904, 14296, 21444, 28592, 42888, 55397, 57184, 85776, 110794, 114368, 166191, 171552, 221588, 228736, 332382, 343104, 443176, 664764, 686208, 886352, 1329528, 1772704, 2659056, 3545408, 5318112, 7090816, 10636224, 21272448]

約数ペア:

[(1, 21272448), (2, 10636224), (3, 7090816), (4, 5318112), (6, 3545408), (8, 2659056), (12, 1772704), (16, 1329528), (24, 886352), (31, 686208), (32, 664764), (48, 443176), (62, 343104), (64, 332382), (93, 228736), (96, 221588), (124, 171552), (128, 166191), (186, 114368), (192, 110794), (248, 85776), (372, 57184), (384, 55397), (496, 42888), (744, 28592), (992, 21444), (1488, 14296), (1787, 11904), (1984, 10722), (2976, 7148), (3574, 5952), (3968, 5361)]