21200570510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1\times {\mathrm{5689}}^1$

素因数の和:6225

約数の個数: 64

約数和(自身を含む): 44048793600

約数和(自身を除く): 22848223090

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 383, 695, 766, 973, 1390, 1915, 1946, 2681, 3830, 4865, 5362, 5689, 9730, 11378, 13405, 26810, 28445, 39823, 53237, 56890, 79646, 106474, 199115, 266185, 372659, 398230, 532370, 745318, 790771, 1581542, 1863295, 2178887, 3726590, 3953855, 4357774, 5535397, 7907710, 10894435, 11070794, 15252209, 21788870, 27676985, 30504418, 55353970, 76261045, 152522090, 302865293, 605730586, 1514326465, 2120057051, 3028652930, 4240114102, 10600285255, 21200570510]

約数ペア:

[(1, 21200570510), (2, 10600285255), (5, 4240114102), (7, 3028652930), (10, 2120057051), (14, 1514326465), (35, 605730586), (70, 302865293), (139, 152522090), (278, 76261045), (383, 55353970), (695, 30504418), (766, 27676985), (973, 21788870), (1390, 15252209), (1915, 11070794), (1946, 10894435), (2681, 7907710), (3830, 5535397), (4865, 4357774), (5362, 3953855), (5689, 3726590), (9730, 2178887), (11378, 1863295), (13405, 1581542), (26810, 790771), (28445, 745318), (39823, 532370), (53237, 398230), (56890, 372659), (79646, 266185), (106474, 199115)]