21047130960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{983}}^1\times {\mathrm{89213}}^1$

素因数の和:90212

約数の個数: 80

約数和(自身を含む): 65313212544

約数和(自身を除く): 44266081584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 983, 1966, 2949, 3932, 4915, 5898, 7864, 9830, 11796, 14745, 15728, 19660, 23592, 29490, 39320, 47184, 58980, 78640, 89213, 117960, 178426, 235920, 267639, 356852, 446065, 535278, 713704, 892130, 1070556, 1338195, 1427408, 1784260, 2141112, 2676390, 3568520, 4282224, 5352780, 7137040, 10705560, 21411120, 87696379, 175392758, 263089137, 350785516, 438481895, 526178274, 701571032, 876963790, 1052356548, 1315445685, 1403142064, 1753927580, 2104713096, 2630891370, 3507855160, 4209426192, 5261782740, 7015710320, 10523565480, 21047130960]

約数ペア:

[(1, 21047130960), (2, 10523565480), (3, 7015710320), (4, 5261782740), (5, 4209426192), (6, 3507855160), (8, 2630891370), (10, 2104713096), (12, 1753927580), (15, 1403142064), (16, 1315445685), (20, 1052356548), (24, 876963790), (30, 701571032), (40, 526178274), (48, 438481895), (60, 350785516), (80, 263089137), (120, 175392758), (240, 87696379), (983, 21411120), (1966, 10705560), (2949, 7137040), (3932, 5352780), (4915, 4282224), (5898, 3568520), (7864, 2676390), (9830, 2141112), (11796, 1784260), (14745, 1427408), (15728, 1338195), (19660, 1070556), (23592, 892130), (29490, 713704), (39320, 535278), (47184, 446065), (58980, 356852), (78640, 267639), (89213, 235920), (117960, 178426)]