21137688

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2053}}^1$

素因数の和:2089

約数の個数: 96

約数和(自身を含む): 67289040

約数和(自身を除く): 46151352

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 33, 36, 39, 44, 52, 66, 72, 78, 88, 99, 104, 117, 132, 143, 156, 198, 234, 264, 286, 312, 396, 429, 468, 572, 792, 858, 936, 1144, 1287, 1716, 2053, 2574, 3432, 4106, 5148, 6159, 8212, 10296, 12318, 16424, 18477, 22583, 24636, 26689, 36954, 45166, 49272, 53378, 67749, 73908, 80067, 90332, 106756, 135498, 147816, 160134, 180664, 203247, 213512, 240201, 270996, 293579, 320268, 406494, 480402, 541992, 587158, 640536, 812988, 880737, 960804, 1174316, 1625976, 1761474, 1921608, 2348632, 2642211, 3522948, 5284422, 7045896, 10568844, 21137688]

約数ペア:

[(1, 21137688), (2, 10568844), (3, 7045896), (4, 5284422), (6, 3522948), (8, 2642211), (9, 2348632), (11, 1921608), (12, 1761474), (13, 1625976), (18, 1174316), (22, 960804), (24, 880737), (26, 812988), (33, 640536), (36, 587158), (39, 541992), (44, 480402), (52, 406494), (66, 320268), (72, 293579), (78, 270996), (88, 240201), (99, 213512), (104, 203247), (117, 180664), (132, 160134), (143, 147816), (156, 135498), (198, 106756), (234, 90332), (264, 80067), (286, 73908), (312, 67749), (396, 53378), (429, 49272), (468, 45166), (572, 36954), (792, 26689), (858, 24636), (936, 22583), (1144, 18477), (1287, 16424), (1716, 12318), (2053, 10296), (2574, 8212), (3432, 6159), (4106, 5148)]