21821760

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{7577}}^1$

素因数の和:7600

約数の個数: 84

約数和(自身を含む): 75067668

約数和(自身を除く): 53245908

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 7577, 15154, 22731, 30308, 37885, 45462, 60616, 68193, 75770, 90924, 113655, 121232, 136386, 151540, 181848, 227310, 242464, 272772, 303080, 340965, 363696, 454620, 484928, 545544, 606160, 681930, 727392, 909240, 1091088, 1212320, 1363860, 1454784, 1818480, 2182176, 2424640, 2727720, 3636960, 4364352, 5455440, 7273920, 10910880, 21821760]

約数ペア:

[(1, 21821760), (2, 10910880), (3, 7273920), (4, 5455440), (5, 4364352), (6, 3636960), (8, 2727720), (9, 2424640), (10, 2182176), (12, 1818480), (15, 1454784), (16, 1363860), (18, 1212320), (20, 1091088), (24, 909240), (30, 727392), (32, 681930), (36, 606160), (40, 545544), (45, 484928), (48, 454620), (60, 363696), (64, 340965), (72, 303080), (80, 272772), (90, 242464), (96, 227310), (120, 181848), (144, 151540), (160, 136386), (180, 121232), (192, 113655), (240, 90924), (288, 75770), (320, 68193), (360, 60616), (480, 45462), (576, 37885), (720, 30308), (960, 22731), (1440, 15154), (2880, 7577)]