21128928

素因数分解:

$2^5\times 3^1\times {\mathrm{97}}^1\times {\mathrm{2269}}^1$

素因数の和:2379

約数の個数: 48

約数和(自身を含む): 56059920

約数和(自身を除く): 34930992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 97, 194, 291, 388, 582, 776, 1164, 1552, 2269, 2328, 3104, 4538, 4656, 6807, 9076, 9312, 13614, 18152, 27228, 36304, 54456, 72608, 108912, 217824, 220093, 440186, 660279, 880372, 1320558, 1760744, 2641116, 3521488, 5282232, 7042976, 10564464, 21128928]

約数ペア:

[(1, 21128928), (2, 10564464), (3, 7042976), (4, 5282232), (6, 3521488), (8, 2641116), (12, 1760744), (16, 1320558), (24, 880372), (32, 660279), (48, 440186), (96, 220093), (97, 217824), (194, 108912), (291, 72608), (388, 54456), (582, 36304), (776, 27228), (1164, 18152), (1552, 13614), (2269, 9312), (2328, 9076), (3104, 6807), (4538, 4656)]