21289824

素因数分解:

$2^5\times 3^3\times {\mathrm{41}}^1\times {\mathrm{601}}^1$

素因数の和:661

約数の個数: 96

約数和(自身を含む): 63715680

約数和(自身を除く): 42425856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 41, 48, 54, 72, 82, 96, 108, 123, 144, 164, 216, 246, 288, 328, 369, 432, 492, 601, 656, 738, 864, 984, 1107, 1202, 1312, 1476, 1803, 1968, 2214, 2404, 2952, 3606, 3936, 4428, 4808, 5409, 5904, 7212, 8856, 9616, 10818, 11808, 14424, 16227, 17712, 19232, 21636, 24641, 28848, 32454, 35424, 43272, 49282, 57696, 64908, 73923, 86544, 98564, 129816, 147846, 173088, 197128, 221769, 259632, 295692, 394256, 443538, 519264, 591384, 665307, 788512, 887076, 1182768, 1330614, 1774152, 2365536, 2661228, 3548304, 5322456, 7096608, 10644912, 21289824]

約数ペア:

[(1, 21289824), (2, 10644912), (3, 7096608), (4, 5322456), (6, 3548304), (8, 2661228), (9, 2365536), (12, 1774152), (16, 1330614), (18, 1182768), (24, 887076), (27, 788512), (32, 665307), (36, 591384), (41, 519264), (48, 443538), (54, 394256), (72, 295692), (82, 259632), (96, 221769), (108, 197128), (123, 173088), (144, 147846), (164, 129816), (216, 98564), (246, 86544), (288, 73923), (328, 64908), (369, 57696), (432, 49282), (492, 43272), (601, 35424), (656, 32454), (738, 28848), (864, 24641), (984, 21636), (1107, 19232), (1202, 17712), (1312, 16227), (1476, 14424), (1803, 11808), (1968, 10818), (2214, 9616), (2404, 8856), (2952, 7212), (3606, 5904), (3936, 5409), (4428, 4808)]