21012240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3019}}^1$

素因数の和:3064

約数の個数: 80

約数和(自身を含む): 67406400

約数和(自身を除く): 46394160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 435, 464, 580, 696, 870, 1160, 1392, 1740, 2320, 3019, 3480, 6038, 6960, 9057, 12076, 15095, 18114, 24152, 30190, 36228, 45285, 48304, 60380, 72456, 87551, 90570, 120760, 144912, 175102, 181140, 241520, 262653, 350204, 362280, 437755, 525306, 700408, 724560, 875510, 1050612, 1313265, 1400816, 1751020, 2101224, 2626530, 3502040, 4202448, 5253060, 7004080, 10506120, 21012240]

約数ペア:

[(1, 21012240), (2, 10506120), (3, 7004080), (4, 5253060), (5, 4202448), (6, 3502040), (8, 2626530), (10, 2101224), (12, 1751020), (15, 1400816), (16, 1313265), (20, 1050612), (24, 875510), (29, 724560), (30, 700408), (40, 525306), (48, 437755), (58, 362280), (60, 350204), (80, 262653), (87, 241520), (116, 181140), (120, 175102), (145, 144912), (174, 120760), (232, 90570), (240, 87551), (290, 72456), (348, 60380), (435, 48304), (464, 45285), (580, 36228), (696, 30190), (870, 24152), (1160, 18114), (1392, 15095), (1740, 12076), (2320, 9057), (3019, 6960), (3480, 6038)]