21044640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2579}}^1$

素因数の和:2614

約数の個数: 96

約数和(自身を含む): 70217280

約数和(自身を除く): 49172640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 340, 408, 480, 510, 544, 680, 816, 1020, 1360, 1632, 2040, 2579, 2720, 4080, 5158, 7737, 8160, 10316, 12895, 15474, 20632, 25790, 30948, 38685, 41264, 43843, 51580, 61896, 77370, 82528, 87686, 103160, 123792, 131529, 154740, 175372, 206320, 219215, 247584, 263058, 309480, 350744, 412640, 438430, 526116, 618960, 657645, 701488, 876860, 1052232, 1237920, 1315290, 1402976, 1753720, 2104464, 2630580, 3507440, 4208928, 5261160, 7014880, 10522320, 21044640]

約数ペア:

[(1, 21044640), (2, 10522320), (3, 7014880), (4, 5261160), (5, 4208928), (6, 3507440), (8, 2630580), (10, 2104464), (12, 1753720), (15, 1402976), (16, 1315290), (17, 1237920), (20, 1052232), (24, 876860), (30, 701488), (32, 657645), (34, 618960), (40, 526116), (48, 438430), (51, 412640), (60, 350744), (68, 309480), (80, 263058), (85, 247584), (96, 219215), (102, 206320), (120, 175372), (136, 154740), (160, 131529), (170, 123792), (204, 103160), (240, 87686), (255, 82528), (272, 77370), (340, 61896), (408, 51580), (480, 43843), (510, 41264), (544, 38685), (680, 30948), (816, 25790), (1020, 20632), (1360, 15474), (1632, 12895), (2040, 10316), (2579, 8160), (2720, 7737), (4080, 5158)]