21221989656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{179689}}^1$

素因数の和:179761

約数の個数: 128

約数和(自身を含む): 65550912000

約数和(自身を除く): 44328922344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 37, 38, 42, 56, 57, 74, 76, 84, 111, 114, 133, 148, 152, 168, 222, 228, 259, 266, 296, 399, 444, 456, 518, 532, 703, 777, 798, 888, 1036, 1064, 1406, 1554, 1596, 2072, 2109, 2812, 3108, 3192, 4218, 4921, 5624, 6216, 8436, 9842, 14763, 16872, 19684, 29526, 39368, 59052, 118104, 179689, 359378, 539067, 718756, 1078134, 1257823, 1437512, 2156268, 2515646, 3414091, 3773469, 4312536, 5031292, 6648493, 6828182, 7546938, 10062584, 10242273, 13296986, 13656364, 15093876, 19945479, 20484546, 23898637, 26593972, 27312728, 30187752, 39890958, 40969092, 46539451, 47797274, 53187944, 71695911, 79781916, 81938184, 93078902, 95594548, 126321367, 139618353, 143391822, 159563832, 186157804, 191189096, 252642734, 279236706, 286783644, 372315608, 378964101, 505285468, 558473412, 573567288, 757928202, 884249569, 1010570936, 1116946824, 1515856404, 1768499138, 2652748707, 3031712808, 3536998276, 5305497414, 7073996552, 10610994828, 21221989656]

約数ペア:

[(1, 21221989656), (2, 10610994828), (3, 7073996552), (4, 5305497414), (6, 3536998276), (7, 3031712808), (8, 2652748707), (12, 1768499138), (14, 1515856404), (19, 1116946824), (21, 1010570936), (24, 884249569), (28, 757928202), (37, 573567288), (38, 558473412), (42, 505285468), (56, 378964101), (57, 372315608), (74, 286783644), (76, 279236706), (84, 252642734), (111, 191189096), (114, 186157804), (133, 159563832), (148, 143391822), (152, 139618353), (168, 126321367), (222, 95594548), (228, 93078902), (259, 81938184), (266, 79781916), (296, 71695911), (399, 53187944), (444, 47797274), (456, 46539451), (518, 40969092), (532, 39890958), (703, 30187752), (777, 27312728), (798, 26593972), (888, 23898637), (1036, 20484546), (1064, 19945479), (1406, 15093876), (1554, 13656364), (1596, 13296986), (2072, 10242273), (2109, 10062584), (2812, 7546938), (3108, 6828182), (3192, 6648493), (4218, 5031292), (4921, 4312536), (5624, 3773469), (6216, 3414091), (8436, 2515646), (9842, 2156268), (14763, 1437512), (16872, 1257823), (19684, 1078134), (29526, 718756), (39368, 539067), (59052, 359378), (118104, 179689)]