21963656

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 49230720

約数和(自身を除く): 27267064

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 73, 88, 104, 143, 146, 263, 286, 292, 526, 572, 584, 803, 949, 1052, 1144, 1606, 1898, 2104, 2893, 3212, 3419, 3796, 5786, 6424, 6838, 7592, 10439, 11572, 13676, 19199, 20878, 23144, 27352, 37609, 38398, 41756, 75218, 76796, 83512, 150436, 153592, 211189, 249587, 300872, 422378, 499174, 844756, 998348, 1689512, 1996696, 2745457, 5490914, 10981828, 21963656]

約数ペア:

[(1, 21963656), (2, 10981828), (4, 5490914), (8, 2745457), (11, 1996696), (13, 1689512), (22, 998348), (26, 844756), (44, 499174), (52, 422378), (73, 300872), (88, 249587), (104, 211189), (143, 153592), (146, 150436), (263, 83512), (286, 76796), (292, 75218), (526, 41756), (572, 38398), (584, 37609), (803, 27352), (949, 23144), (1052, 20878), (1144, 19199), (1606, 13676), (1898, 11572), (2104, 10439), (2893, 7592), (3212, 6838), (3419, 6424), (3796, 5786)]