21040464

素因数分解:

$2^4\times 3^1\times {\mathrm{97}}^1\times {\mathrm{4519}}^1$

素因数の和:4627

約数の個数: 40

約数和(自身を含む): 54927040

約数和(自身を除く): 33886576

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 97, 194, 291, 388, 582, 776, 1164, 1552, 2328, 4519, 4656, 9038, 13557, 18076, 27114, 36152, 54228, 72304, 108456, 216912, 438343, 876686, 1315029, 1753372, 2630058, 3506744, 5260116, 7013488, 10520232, 21040464]

約数ペア:

[(1, 21040464), (2, 10520232), (3, 7013488), (4, 5260116), (6, 3506744), (8, 2630058), (12, 1753372), (16, 1315029), (24, 876686), (48, 438343), (97, 216912), (194, 108456), (291, 72304), (388, 54228), (582, 36152), (776, 27114), (1164, 18076), (1552, 13557), (2328, 9038), (4519, 4656)]