21783112

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4871}}^1$

素因数の和:4933

約数の個数: 32

約数和(自身を含む): 45017280

約数和(自身を除く): 23234168

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 4871, 9742, 19484, 38968, 63323, 126646, 209453, 253292, 418906, 506584, 837812, 1675624, 2722889, 5445778, 10891556, 21783112]

約数ペア:

[(1, 21783112), (2, 10891556), (4, 5445778), (8, 2722889), (13, 1675624), (26, 837812), (43, 506584), (52, 418906), (86, 253292), (104, 209453), (172, 126646), (344, 63323), (559, 38968), (1118, 19484), (2236, 9742), (4472, 4871)]