21405407868

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{3257}}^1$

素因数の和:3465

約数の個数: 192

約数和(自身を含む): 62119895040

約数和(自身を除く): 40714487172

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 31, 36, 39, 52, 54, 62, 78, 93, 108, 117, 124, 151, 156, 186, 234, 279, 302, 351, 372, 403, 453, 468, 558, 604, 702, 806, 837, 906, 1116, 1209, 1359, 1404, 1612, 1674, 1812, 1963, 2418, 2718, 3257, 3348, 3627, 3926, 4077, 4681, 4836, 5436, 5889, 6514, 7254, 7852, 8154, 9362, 9771, 10881, 11778, 13028, 14043, 14508, 16308, 17667, 18724, 19542, 21762, 23556, 28086, 29313, 35334, 39084, 42129, 42341, 43524, 53001, 56172, 58626, 60853, 70668, 84258, 84682, 87939, 100967, 106002, 117252, 121706, 126387, 127023, 168516, 169364, 175878, 182559, 201934, 212004, 243412, 252774, 254046, 302901, 351756, 365118, 381069, 403868, 491807, 505548, 508092, 547677, 605802, 730236, 762138, 908703, 983614, 1095354, 1143207, 1211604, 1312571, 1475421, 1524276, 1643031, 1817406, 1967228, 2190708, 2286414, 2625142, 2726109, 2950842, 3286062, 3634812, 3937713, 4426263, 4572828, 5250284, 5452218, 5901684, 6393491, 6572124, 7875426, 8852526, 10904436, 11813139, 12786982, 13278789, 15246017, 15750852, 17705052, 19180473, 23626278, 25573964, 26557578, 30492034, 35439417, 38360946, 45738051, 47252556, 53115156, 57541419, 60984068, 70878834, 76721892, 91476102, 115082838, 137214153, 141757668, 172624257, 182952204, 198198221, 230165676, 274428306, 345248514, 396396442, 411642459, 548856612, 594594663, 690497028, 792792884, 823284918, 1189189326, 1646569836, 1783783989, 2378378652, 3567567978, 5351351967, 7135135956, 10702703934, 21405407868]

約数ペア:

[(1, 21405407868), (2, 10702703934), (3, 7135135956), (4, 5351351967), (6, 3567567978), (9, 2378378652), (12, 1783783989), (13, 1646569836), (18, 1189189326), (26, 823284918), (27, 792792884), (31, 690497028), (36, 594594663), (39, 548856612), (52, 411642459), (54, 396396442), (62, 345248514), (78, 274428306), (93, 230165676), (108, 198198221), (117, 182952204), (124, 172624257), (151, 141757668), (156, 137214153), (186, 115082838), (234, 91476102), (279, 76721892), (302, 70878834), (351, 60984068), (372, 57541419), (403, 53115156), (453, 47252556), (468, 45738051), (558, 38360946), (604, 35439417), (702, 30492034), (806, 26557578), (837, 25573964), (906, 23626278), (1116, 19180473), (1209, 17705052), (1359, 15750852), (1404, 15246017), (1612, 13278789), (1674, 12786982), (1812, 11813139), (1963, 10904436), (2418, 8852526), (2718, 7875426), (3257, 6572124), (3348, 6393491), (3627, 5901684), (3926, 5452218), (4077, 5250284), (4681, 4572828), (4836, 4426263), (5436, 3937713), (5889, 3634812), (6514, 3286062), (7254, 2950842), (7852, 2726109), (8154, 2625142), (9362, 2286414), (9771, 2190708), (10881, 1967228), (11778, 1817406), (13028, 1643031), (14043, 1524276), (14508, 1475421), (16308, 1312571), (17667, 1211604), (18724, 1143207), (19542, 1095354), (21762, 983614), (23556, 908703), (28086, 762138), (29313, 730236), (35334, 605802), (39084, 547677), (42129, 508092), (42341, 505548), (43524, 491807), (53001, 403868), (56172, 381069), (58626, 365118), (60853, 351756), (70668, 302901), (84258, 254046), (84682, 252774), (87939, 243412), (100967, 212004), (106002, 201934), (117252, 182559), (121706, 175878), (126387, 169364), (127023, 168516)]