21000948960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{825509}}^1$

素因数の和:825580

約数の個数: 96

約数和(自身を含む): 67401240480

約数和(自身を除く): 46400291520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 80, 96, 106, 120, 159, 160, 212, 240, 265, 318, 424, 480, 530, 636, 795, 848, 1060, 1272, 1590, 1696, 2120, 2544, 3180, 4240, 5088, 6360, 8480, 12720, 25440, 825509, 1651018, 2476527, 3302036, 4127545, 4953054, 6604072, 8255090, 9906108, 12382635, 13208144, 16510180, 19812216, 24765270, 26416288, 33020360, 39624432, 43751977, 49530540, 66040720, 79248864, 87503954, 99061080, 131255931, 132081440, 175007908, 198122160, 218759885, 262511862, 350015816, 396244320, 437519770, 525023724, 656279655, 700031632, 875039540, 1050047448, 1312559310, 1400063264, 1750079080, 2100094896, 2625118620, 3500158160, 4200189792, 5250237240, 7000316320, 10500474480, 21000948960]

約数ペア:

[(1, 21000948960), (2, 10500474480), (3, 7000316320), (4, 5250237240), (5, 4200189792), (6, 3500158160), (8, 2625118620), (10, 2100094896), (12, 1750079080), (15, 1400063264), (16, 1312559310), (20, 1050047448), (24, 875039540), (30, 700031632), (32, 656279655), (40, 525023724), (48, 437519770), (53, 396244320), (60, 350015816), (80, 262511862), (96, 218759885), (106, 198122160), (120, 175007908), (159, 132081440), (160, 131255931), (212, 99061080), (240, 87503954), (265, 79248864), (318, 66040720), (424, 49530540), (480, 43751977), (530, 39624432), (636, 33020360), (795, 26416288), (848, 24765270), (1060, 19812216), (1272, 16510180), (1590, 13208144), (1696, 12382635), (2120, 9906108), (2544, 8255090), (3180, 6604072), (4240, 4953054), (5088, 4127545), (6360, 3302036), (8480, 2476527), (12720, 1651018), (25440, 825509)]