21039522054

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1\times {\mathrm{7417}}^1$

素因数の和:7757

約数の個数: 64

約数和(自身を含む): 44864064000

約数和(自身を除く): 23824541946

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 149, 167, 298, 334, 447, 501, 894, 1002, 2831, 3173, 5662, 6346, 7417, 8493, 9519, 14834, 16986, 19038, 22251, 24883, 44502, 49766, 74649, 140923, 149298, 281846, 422769, 472777, 845538, 945554, 1105133, 1238639, 1418331, 2210266, 2477278, 2836662, 3315399, 3715917, 6630798, 7431834, 20997527, 23534141, 41995054, 47068282, 62992581, 70602423, 125985162, 141204846, 184557211, 369114422, 553671633, 1107343266, 3506587009, 7013174018, 10519761027, 21039522054]

約数ペア:

[(1, 21039522054), (2, 10519761027), (3, 7013174018), (6, 3506587009), (19, 1107343266), (38, 553671633), (57, 369114422), (114, 184557211), (149, 141204846), (167, 125985162), (298, 70602423), (334, 62992581), (447, 47068282), (501, 41995054), (894, 23534141), (1002, 20997527), (2831, 7431834), (3173, 6630798), (5662, 3715917), (6346, 3315399), (7417, 2836662), (8493, 2477278), (9519, 2210266), (14834, 1418331), (16986, 1238639), (19038, 1105133), (22251, 945554), (24883, 845538), (44502, 472777), (49766, 422769), (74649, 281846), (140923, 149298)]