21333834

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 50284800

約数和(自身を除く): 28950966

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 89, 138, 178, 193, 207, 267, 386, 414, 534, 579, 621, 801, 1158, 1242, 1602, 1737, 2047, 2403, 3474, 4094, 4439, 4806, 5211, 6141, 8878, 10422, 12282, 13317, 17177, 18423, 26634, 34354, 36846, 39951, 51531, 55269, 79902, 103062, 110538, 119853, 154593, 239706, 309186, 395071, 463779, 790142, 927558, 1185213, 2370426, 3555639, 7111278, 10666917, 21333834]

約数ペア:

[(1, 21333834), (2, 10666917), (3, 7111278), (6, 3555639), (9, 2370426), (18, 1185213), (23, 927558), (27, 790142), (46, 463779), (54, 395071), (69, 309186), (89, 239706), (138, 154593), (178, 119853), (193, 110538), (207, 103062), (267, 79902), (386, 55269), (414, 51531), (534, 39951), (579, 36846), (621, 34354), (801, 26634), (1158, 18423), (1242, 17177), (1602, 13317), (1737, 12282), (2047, 10422), (2403, 8878), (3474, 6141), (4094, 5211), (4439, 4806)]