21233784

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 65318400

約数和(自身を除く): 44084616

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 23, 24, 26, 33, 39, 44, 46, 52, 66, 69, 78, 88, 92, 104, 132, 138, 143, 156, 184, 253, 264, 269, 276, 286, 299, 312, 429, 506, 538, 552, 572, 598, 759, 807, 858, 897, 1012, 1076, 1144, 1196, 1518, 1614, 1716, 1794, 2024, 2152, 2392, 2959, 3036, 3228, 3289, 3432, 3497, 3588, 5918, 6072, 6187, 6456, 6578, 6994, 7176, 8877, 9867, 10491, 11836, 12374, 13156, 13988, 17754, 18561, 19734, 20982, 23672, 24748, 26312, 27976, 35508, 37122, 38467, 39468, 41964, 49496, 68057, 71016, 74244, 76934, 78936, 80431, 83928, 115401, 136114, 148488, 153868, 160862, 204171, 230802, 241293, 272228, 307736, 321724, 408342, 461604, 482586, 544456, 643448, 816684, 884741, 923208, 965172, 1633368, 1769482, 1930344, 2654223, 3538964, 5308446, 7077928, 10616892, 21233784]

約数ペア:

[(1, 21233784), (2, 10616892), (3, 7077928), (4, 5308446), (6, 3538964), (8, 2654223), (11, 1930344), (12, 1769482), (13, 1633368), (22, 965172), (23, 923208), (24, 884741), (26, 816684), (33, 643448), (39, 544456), (44, 482586), (46, 461604), (52, 408342), (66, 321724), (69, 307736), (78, 272228), (88, 241293), (92, 230802), (104, 204171), (132, 160862), (138, 153868), (143, 148488), (156, 136114), (184, 115401), (253, 83928), (264, 80431), (269, 78936), (276, 76934), (286, 74244), (299, 71016), (312, 68057), (429, 49496), (506, 41964), (538, 39468), (552, 38467), (572, 37122), (598, 35508), (759, 27976), (807, 26312), (858, 24748), (897, 23672), (1012, 20982), (1076, 19734), (1144, 18561), (1196, 17754), (1518, 13988), (1614, 13156), (1716, 12374), (1794, 11836), (2024, 10491), (2152, 9867), (2392, 8877), (2959, 7176), (3036, 6994), (3228, 6578), (3289, 6456), (3432, 6187), (3497, 6072), (3588, 5918)]