21253608

素因数分解:

$2^3\times 3^2\times {\mathrm{211}}^1\times {\mathrm{1399}}^1$

素因数の和:1622

約数の個数: 48

約数和(自身を含む): 57876000

約数和(自身を除く): 36622392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 211, 422, 633, 844, 1266, 1399, 1688, 1899, 2532, 2798, 3798, 4197, 5064, 5596, 7596, 8394, 11192, 12591, 15192, 16788, 25182, 33576, 50364, 100728, 295189, 590378, 885567, 1180756, 1771134, 2361512, 2656701, 3542268, 5313402, 7084536, 10626804, 21253608]

約数ペア:

[(1, 21253608), (2, 10626804), (3, 7084536), (4, 5313402), (6, 3542268), (8, 2656701), (9, 2361512), (12, 1771134), (18, 1180756), (24, 885567), (36, 590378), (72, 295189), (211, 100728), (422, 50364), (633, 33576), (844, 25182), (1266, 16788), (1399, 15192), (1688, 12591), (1899, 11192), (2532, 8394), (2798, 7596), (3798, 5596), (4197, 5064)]