21430488

素因数分解:

$2^3\times 3^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 55296000

約数和(自身を除く): 33865512

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 79, 89, 127, 158, 178, 237, 254, 267, 316, 356, 381, 474, 508, 534, 632, 712, 762, 948, 1016, 1068, 1524, 1896, 2136, 3048, 7031, 10033, 11303, 14062, 20066, 21093, 22606, 28124, 30099, 33909, 40132, 42186, 45212, 56248, 60198, 67818, 80264, 84372, 90424, 120396, 135636, 168744, 240792, 271272, 892937, 1785874, 2678811, 3571748, 5357622, 7143496, 10715244, 21430488]

約数ペア:

[(1, 21430488), (2, 10715244), (3, 7143496), (4, 5357622), (6, 3571748), (8, 2678811), (12, 1785874), (24, 892937), (79, 271272), (89, 240792), (127, 168744), (158, 135636), (178, 120396), (237, 90424), (254, 84372), (267, 80264), (316, 67818), (356, 60198), (381, 56248), (474, 45212), (508, 42186), (534, 40132), (632, 33909), (712, 30099), (762, 28124), (948, 22606), (1016, 21093), (1068, 20066), (1524, 14062), (1896, 11303), (2136, 10033), (3048, 7031)]