21028512

素因数分解:

$2^5\times 3^1\times {\mathrm{317}}^1\times {\mathrm{691}}^1$

素因数の和:1021

約数の個数: 48

約数和(自身を含む): 55454112

約数和(自身を除く): 34425600

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 317, 634, 691, 951, 1268, 1382, 1902, 2073, 2536, 2764, 3804, 4146, 5072, 5528, 7608, 8292, 10144, 11056, 15216, 16584, 22112, 30432, 33168, 66336, 219047, 438094, 657141, 876188, 1314282, 1752376, 2628564, 3504752, 5257128, 7009504, 10514256, 21028512]

約数ペア:

[(1, 21028512), (2, 10514256), (3, 7009504), (4, 5257128), (6, 3504752), (8, 2628564), (12, 1752376), (16, 1314282), (24, 876188), (32, 657141), (48, 438094), (96, 219047), (317, 66336), (634, 33168), (691, 30432), (951, 22112), (1268, 16584), (1382, 15216), (1902, 11056), (2073, 10144), (2536, 8292), (2764, 7608), (3804, 5528), (4146, 5072)]