21857412780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17347153}}^1$

素因数の和:17347175

約数の個数: 72

約数和(自身を含む): 75772368672

約数和(自身を除く): 53914955892

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 17347153, 34694306, 52041459, 69388612, 86735765, 104082918, 121430071, 156124377, 173471530, 208165836, 242860142, 260207295, 312248754, 346943060, 364290213, 485720284, 520414590, 607150355, 624497508, 728580426, 780621885, 1040829180, 1092870639, 1214300710, 1457160852, 1561243770, 1821451065, 2185741278, 2428601420, 3122487540, 3642902130, 4371482556, 5464353195, 7285804260, 10928706390, 21857412780]

約数ペア:

[(1, 21857412780), (2, 10928706390), (3, 7285804260), (4, 5464353195), (5, 4371482556), (6, 3642902130), (7, 3122487540), (9, 2428601420), (10, 2185741278), (12, 1821451065), (14, 1561243770), (15, 1457160852), (18, 1214300710), (20, 1092870639), (21, 1040829180), (28, 780621885), (30, 728580426), (35, 624497508), (36, 607150355), (42, 520414590), (45, 485720284), (60, 364290213), (63, 346943060), (70, 312248754), (84, 260207295), (90, 242860142), (105, 208165836), (126, 173471530), (140, 156124377), (180, 121430071), (210, 104082918), (252, 86735765), (315, 69388612), (420, 52041459), (630, 34694306), (1260, 17347153)]