21086268

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 59136000

約数和(自身を除く): 38049732

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 49, 84, 94, 98, 109, 141, 147, 188, 196, 218, 282, 294, 327, 329, 343, 436, 564, 588, 654, 658, 686, 763, 987, 1029, 1308, 1316, 1372, 1526, 1974, 2058, 2289, 2303, 3052, 3948, 4116, 4578, 4606, 5123, 5341, 6909, 9156, 9212, 10246, 10682, 13818, 15369, 16023, 16121, 20492, 21364, 27636, 30738, 32046, 32242, 35861, 37387, 48363, 61476, 64092, 64484, 71722, 74774, 96726, 107583, 112161, 143444, 149548, 193452, 215166, 224322, 251027, 430332, 448644, 502054, 753081, 1004108, 1506162, 1757189, 3012324, 3514378, 5271567, 7028756, 10543134, 21086268]

約数ペア:

[(1, 21086268), (2, 10543134), (3, 7028756), (4, 5271567), (6, 3514378), (7, 3012324), (12, 1757189), (14, 1506162), (21, 1004108), (28, 753081), (42, 502054), (47, 448644), (49, 430332), (84, 251027), (94, 224322), (98, 215166), (109, 193452), (141, 149548), (147, 143444), (188, 112161), (196, 107583), (218, 96726), (282, 74774), (294, 71722), (327, 64484), (329, 64092), (343, 61476), (436, 48363), (564, 37387), (588, 35861), (654, 32242), (658, 32046), (686, 30738), (763, 27636), (987, 21364), (1029, 20492), (1308, 16121), (1316, 16023), (1372, 15369), (1526, 13818), (1974, 10682), (2058, 10246), (2289, 9212), (2303, 9156), (3052, 6909), (3948, 5341), (4116, 5123), (4578, 4606)]