21039938310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{615743}}^1$

素因数の和:615837

約数の個数: 64

約数和(自身を含む): 54264287232

約数和(自身を除く): 33224348922

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 67, 85, 102, 134, 170, 201, 255, 335, 402, 510, 670, 1005, 1139, 2010, 2278, 3417, 5695, 6834, 11390, 17085, 34170, 615743, 1231486, 1847229, 3078715, 3694458, 6157430, 9236145, 10467631, 18472290, 20935262, 31402893, 41254781, 52338155, 62805786, 82509562, 104676310, 123764343, 157014465, 206273905, 247528686, 314028930, 412547810, 618821715, 701331277, 1237643430, 1402662554, 2103993831, 3506656385, 4207987662, 7013312770, 10519969155, 21039938310]

約数ペア:

[(1, 21039938310), (2, 10519969155), (3, 7013312770), (5, 4207987662), (6, 3506656385), (10, 2103993831), (15, 1402662554), (17, 1237643430), (30, 701331277), (34, 618821715), (51, 412547810), (67, 314028930), (85, 247528686), (102, 206273905), (134, 157014465), (170, 123764343), (201, 104676310), (255, 82509562), (335, 62805786), (402, 52338155), (510, 41254781), (670, 31402893), (1005, 20935262), (1139, 18472290), (2010, 10467631), (2278, 9236145), (3417, 6157430), (5695, 3694458), (6834, 3078715), (11390, 1847229), (17085, 1231486), (34170, 615743)]