21617760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1553}}^1$

素因数の和:1600

約数の個数: 96

約数和(自身を含む): 70489440

約数和(自身を除く): 48871680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 80, 87, 96, 116, 120, 145, 160, 174, 232, 240, 290, 348, 435, 464, 480, 580, 696, 870, 928, 1160, 1392, 1553, 1740, 2320, 2784, 3106, 3480, 4640, 4659, 6212, 6960, 7765, 9318, 12424, 13920, 15530, 18636, 23295, 24848, 31060, 37272, 45037, 46590, 49696, 62120, 74544, 90074, 93180, 124240, 135111, 149088, 180148, 186360, 225185, 248480, 270222, 360296, 372720, 450370, 540444, 675555, 720592, 745440, 900740, 1080888, 1351110, 1441184, 1801480, 2161776, 2702220, 3602960, 4323552, 5404440, 7205920, 10808880, 21617760]

約数ペア:

[(1, 21617760), (2, 10808880), (3, 7205920), (4, 5404440), (5, 4323552), (6, 3602960), (8, 2702220), (10, 2161776), (12, 1801480), (15, 1441184), (16, 1351110), (20, 1080888), (24, 900740), (29, 745440), (30, 720592), (32, 675555), (40, 540444), (48, 450370), (58, 372720), (60, 360296), (80, 270222), (87, 248480), (96, 225185), (116, 186360), (120, 180148), (145, 149088), (160, 135111), (174, 124240), (232, 93180), (240, 90074), (290, 74544), (348, 62120), (435, 49696), (464, 46590), (480, 45037), (580, 37272), (696, 31060), (870, 24848), (928, 23295), (1160, 18636), (1392, 15530), (1553, 13920), (1740, 12424), (2320, 9318), (2784, 7765), (3106, 6960), (3480, 6212), (4640, 4659)]