21000584542

素因数分解:

$2^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{463}}^1\times {\mathrm{1787}}^1$

素因数の和:2310

約数の個数: 64

約数和(自身を含む): 37831219200

約数和(自身を除く): 16830634658

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 343, 463, 518, 686, 926, 1787, 1813, 3241, 3574, 3626, 6482, 12509, 12691, 17131, 22687, 25018, 25382, 34262, 45374, 66119, 87563, 119917, 132238, 158809, 175126, 239834, 317618, 462833, 612941, 827381, 839419, 925666, 1225882, 1654762, 1678838, 3239831, 5791667, 5875933, 6479662, 11583334, 11751866, 22678817, 30613097, 40541669, 45357634, 61226194, 81083338, 214291679, 283791683, 428583358, 567583366, 1500041753, 3000083506, 10500292271, 21000584542]

約数ペア:

[(1, 21000584542), (2, 10500292271), (7, 3000083506), (14, 1500041753), (37, 567583366), (49, 428583358), (74, 283791683), (98, 214291679), (259, 81083338), (343, 61226194), (463, 45357634), (518, 40541669), (686, 30613097), (926, 22678817), (1787, 11751866), (1813, 11583334), (3241, 6479662), (3574, 5875933), (3626, 5791667), (6482, 3239831), (12509, 1678838), (12691, 1654762), (17131, 1225882), (22687, 925666), (25018, 839419), (25382, 827381), (34262, 612941), (45374, 462833), (66119, 317618), (87563, 239834), (119917, 175126), (132238, 158809)]