2021154785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{599}}^1$

素因数の和:738

約数の個数: 64

約数和(自身を含む): 2849817600

約数和(自身を除く): 828662815

約数列:

[1, 5, 13, 23, 37, 61, 65, 115, 185, 299, 305, 481, 599, 793, 851, 1403, 1495, 2257, 2405, 2995, 3965, 4255, 7015, 7787, 11063, 11285, 13777, 18239, 22163, 29341, 36539, 38935, 51911, 55315, 68885, 91195, 110815, 146705, 179101, 182695, 259555, 288119, 475007, 509749, 674843, 840397, 895505, 1351943, 1440595, 2375035, 2548745, 3374215, 4201985, 6626737, 6759715, 10925161, 17575259, 31094689, 33133685, 54625805, 87876295, 155473445, 404230957, 2021154785]

約数ペア:

[(1, 2021154785), (5, 404230957), (13, 155473445), (23, 87876295), (37, 54625805), (61, 33133685), (65, 31094689), (115, 17575259), (185, 10925161), (299, 6759715), (305, 6626737), (481, 4201985), (599, 3374215), (793, 2548745), (851, 2375035), (1403, 1440595), (1495, 1351943), (2257, 895505), (2405, 840397), (2995, 674843), (3965, 509749), (4255, 475007), (7015, 288119), (7787, 259555), (11063, 182695), (11285, 179101), (13777, 146705), (18239, 110815), (22163, 91195), (29341, 68885), (36539, 55315), (38935, 51911)]