21032160

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1019}}^1$

素因数の和:1080

約数の個数: 96

約数和(自身を含む): 67858560

約数和(自身を除く): 46826400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 80, 86, 96, 120, 129, 160, 172, 215, 240, 258, 344, 430, 480, 516, 645, 688, 860, 1019, 1032, 1290, 1376, 1720, 2038, 2064, 2580, 3057, 3440, 4076, 4128, 5095, 5160, 6114, 6880, 8152, 10190, 10320, 12228, 15285, 16304, 20380, 20640, 24456, 30570, 32608, 40760, 43817, 48912, 61140, 81520, 87634, 97824, 122280, 131451, 163040, 175268, 219085, 244560, 262902, 350536, 438170, 489120, 525804, 657255, 701072, 876340, 1051608, 1314510, 1402144, 1752680, 2103216, 2629020, 3505360, 4206432, 5258040, 7010720, 10516080, 21032160]

約数ペア:

[(1, 21032160), (2, 10516080), (3, 7010720), (4, 5258040), (5, 4206432), (6, 3505360), (8, 2629020), (10, 2103216), (12, 1752680), (15, 1402144), (16, 1314510), (20, 1051608), (24, 876340), (30, 701072), (32, 657255), (40, 525804), (43, 489120), (48, 438170), (60, 350536), (80, 262902), (86, 244560), (96, 219085), (120, 175268), (129, 163040), (160, 131451), (172, 122280), (215, 97824), (240, 87634), (258, 81520), (344, 61140), (430, 48912), (480, 43817), (516, 40760), (645, 32608), (688, 30570), (860, 24456), (1019, 20640), (1032, 20380), (1290, 16304), (1376, 15285), (1720, 12228), (2038, 10320), (2064, 10190), (2580, 8152), (3057, 6880), (3440, 6114), (4076, 5160), (4128, 5095)]