21857400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{12143}}^1$

素因数の和:12165

約数の個数: 72

約数和(自身を含む): 73410480

約数和(自身を除く): 51553080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 12143, 24286, 36429, 48572, 60715, 72858, 97144, 109287, 121430, 145716, 182145, 218574, 242860, 291432, 303575, 364290, 437148, 485720, 546435, 607150, 728580, 874296, 910725, 1092870, 1214300, 1457160, 1821450, 2185740, 2428600, 2732175, 3642900, 4371480, 5464350, 7285800, 10928700, 21857400]

約数ペア:

[(1, 21857400), (2, 10928700), (3, 7285800), (4, 5464350), (5, 4371480), (6, 3642900), (8, 2732175), (9, 2428600), (10, 2185740), (12, 1821450), (15, 1457160), (18, 1214300), (20, 1092870), (24, 910725), (25, 874296), (30, 728580), (36, 607150), (40, 546435), (45, 485720), (50, 437148), (60, 364290), (72, 303575), (75, 291432), (90, 242860), (100, 218574), (120, 182145), (150, 145716), (180, 121430), (200, 109287), (225, 97144), (300, 72858), (360, 60715), (450, 48572), (600, 36429), (900, 24286), (1800, 12143)]