21082890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{617}}^1$

素因数の和:711

約数の個数: 64

約数和(自身を含む): 54463104

約数和(自身を除く): 33380214

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 67, 85, 102, 134, 170, 201, 255, 335, 402, 510, 617, 670, 1005, 1139, 1234, 1851, 2010, 2278, 3085, 3417, 3702, 5695, 6170, 6834, 9255, 10489, 11390, 17085, 18510, 20978, 31467, 34170, 41339, 52445, 62934, 82678, 104890, 124017, 157335, 206695, 248034, 314670, 413390, 620085, 702763, 1240170, 1405526, 2108289, 3513815, 4216578, 7027630, 10541445, 21082890]

約数ペア:

[(1, 21082890), (2, 10541445), (3, 7027630), (5, 4216578), (6, 3513815), (10, 2108289), (15, 1405526), (17, 1240170), (30, 702763), (34, 620085), (51, 413390), (67, 314670), (85, 248034), (102, 206695), (134, 157335), (170, 124017), (201, 104890), (255, 82678), (335, 62934), (402, 52445), (510, 41339), (617, 34170), (670, 31467), (1005, 20978), (1139, 18510), (1234, 17085), (1851, 11390), (2010, 10489), (2278, 9255), (3085, 6834), (3417, 6170), (3702, 5695)]