21390576

素因数分解:

$2^4\times 3^1\times {\mathrm{193}}^1\times {\mathrm{2309}}^1$

素因数の和:2513

約数の個数: 40

約数和(自身を含む): 55569360

約数和(自身を除く): 34178784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 193, 386, 579, 772, 1158, 1544, 2309, 2316, 3088, 4618, 4632, 6927, 9236, 9264, 13854, 18472, 27708, 36944, 55416, 110832, 445637, 891274, 1336911, 1782548, 2673822, 3565096, 5347644, 7130192, 10695288, 21390576]

約数ペア:

[(1, 21390576), (2, 10695288), (3, 7130192), (4, 5347644), (6, 3565096), (8, 2673822), (12, 1782548), (16, 1336911), (24, 891274), (48, 445637), (193, 110832), (386, 55416), (579, 36944), (772, 27708), (1158, 18472), (1544, 13854), (2309, 9264), (2316, 9236), (3088, 6927), (4618, 4632)]