21878522316

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1\times {\mathrm{7541}}^1$

素因数の和:7984

約数の個数: 144

約数和(自身を含む): 65557477440

約数和(自身を除く): 43678955124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 397, 406, 522, 609, 794, 812, 1044, 1191, 1218, 1588, 1827, 2382, 2436, 2779, 3573, 3654, 4764, 5558, 7146, 7308, 7541, 8337, 11116, 11513, 14292, 15082, 16674, 22623, 23026, 25011, 30164, 33348, 34539, 45246, 46052, 50022, 52787, 67869, 69078, 80591, 90492, 100044, 103617, 105574, 135738, 138156, 158361, 161182, 207234, 211148, 218689, 241773, 271476, 316722, 322364, 414468, 437378, 475083, 483546, 633444, 656067, 725319, 874756, 950166, 967092, 1312134, 1450638, 1530823, 1900332, 1968201, 2624268, 2901276, 2993777, 3061646, 3936402, 4592469, 5987554, 6123292, 7872804, 8981331, 9184938, 11975108, 13777407, 17962662, 18369876, 20956439, 26943993, 27554814, 35925324, 41912878, 53887986, 55109628, 62869317, 83825756, 86819533, 107775972, 125738634, 173639066, 188607951, 251477268, 260458599, 347278132, 377215902, 520917198, 607736731, 754431804, 781375797, 1041834396, 1215473462, 1562751594, 1823210193, 2430946924, 3125503188, 3646420386, 5469630579, 7292840772, 10939261158, 21878522316]

約数ペア:

[(1, 21878522316), (2, 10939261158), (3, 7292840772), (4, 5469630579), (6, 3646420386), (7, 3125503188), (9, 2430946924), (12, 1823210193), (14, 1562751594), (18, 1215473462), (21, 1041834396), (28, 781375797), (29, 754431804), (36, 607736731), (42, 520917198), (58, 377215902), (63, 347278132), (84, 260458599), (87, 251477268), (116, 188607951), (126, 173639066), (174, 125738634), (203, 107775972), (252, 86819533), (261, 83825756), (348, 62869317), (397, 55109628), (406, 53887986), (522, 41912878), (609, 35925324), (794, 27554814), (812, 26943993), (1044, 20956439), (1191, 18369876), (1218, 17962662), (1588, 13777407), (1827, 11975108), (2382, 9184938), (2436, 8981331), (2779, 7872804), (3573, 6123292), (3654, 5987554), (4764, 4592469), (5558, 3936402), (7146, 3061646), (7308, 2993777), (7541, 2901276), (8337, 2624268), (11116, 1968201), (11513, 1900332), (14292, 1530823), (15082, 1450638), (16674, 1312134), (22623, 967092), (23026, 950166), (25011, 874756), (30164, 725319), (33348, 656067), (34539, 633444), (45246, 483546), (46052, 475083), (50022, 437378), (52787, 414468), (67869, 322364), (69078, 316722), (80591, 271476), (90492, 241773), (100044, 218689), (103617, 211148), (105574, 207234), (135738, 161182), (138156, 158361)]