20211492756

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{3637}}^1$

素因数の和:4398

約数の個数: 144

約数和(自身を含む): 59177279616

約数和(自身を除く): 38965786860

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 727, 1092, 1274, 1454, 1911, 2181, 2548, 2908, 3637, 3822, 4362, 5089, 7274, 7644, 8724, 9451, 10178, 10911, 14548, 15267, 18902, 20356, 21822, 25459, 28353, 30534, 35623, 37804, 43644, 47281, 50918, 56706, 61068, 66157, 71246, 76377, 94562, 101836, 106869, 113412, 132314, 141843, 142492, 152754, 178213, 189124, 198471, 213738, 264628, 283686, 305508, 330967, 356426, 396942, 427476, 463099, 534639, 567372, 661934, 712852, 793884, 926198, 992901, 1069278, 1323868, 1389297, 1852396, 1985802, 2138556, 2316769, 2644099, 2778594, 3971604, 4633538, 5288198, 5557188, 6950307, 7932297, 9267076, 10576396, 13900614, 15864594, 18508693, 27801228, 31729188, 34373287, 37017386, 55526079, 68746574, 74034772, 103119861, 111052158, 129560851, 137493148, 206239722, 222104316, 240613009, 259121702, 388682553, 412479444, 481226018, 518243404, 721839027, 777365106, 962452036, 1443678054, 1554730212, 1684291063, 2887356108, 3368582126, 5052873189, 6737164252, 10105746378, 20211492756]

約数ペア:

[(1, 20211492756), (2, 10105746378), (3, 6737164252), (4, 5052873189), (6, 3368582126), (7, 2887356108), (12, 1684291063), (13, 1554730212), (14, 1443678054), (21, 962452036), (26, 777365106), (28, 721839027), (39, 518243404), (42, 481226018), (49, 412479444), (52, 388682553), (78, 259121702), (84, 240613009), (91, 222104316), (98, 206239722), (147, 137493148), (156, 129560851), (182, 111052158), (196, 103119861), (273, 74034772), (294, 68746574), (364, 55526079), (546, 37017386), (588, 34373287), (637, 31729188), (727, 27801228), (1092, 18508693), (1274, 15864594), (1454, 13900614), (1911, 10576396), (2181, 9267076), (2548, 7932297), (2908, 6950307), (3637, 5557188), (3822, 5288198), (4362, 4633538), (5089, 3971604), (7274, 2778594), (7644, 2644099), (8724, 2316769), (9451, 2138556), (10178, 1985802), (10911, 1852396), (14548, 1389297), (15267, 1323868), (18902, 1069278), (20356, 992901), (21822, 926198), (25459, 793884), (28353, 712852), (30534, 661934), (35623, 567372), (37804, 534639), (43644, 463099), (47281, 427476), (50918, 396942), (56706, 356426), (61068, 330967), (66157, 305508), (71246, 283686), (76377, 264628), (94562, 213738), (101836, 198471), (106869, 189124), (113412, 178213), (132314, 152754), (141843, 142492)]