21164692

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 41094144

約数和(自身を除く): 19929452

約数列:

[1, 2, 4, 23, 31, 41, 46, 62, 82, 92, 124, 164, 181, 362, 713, 724, 943, 1271, 1426, 1886, 2542, 2852, 3772, 4163, 5084, 5611, 7421, 8326, 11222, 14842, 16652, 22444, 29233, 29684, 58466, 116932, 129053, 170683, 230051, 258106, 341366, 460102, 516212, 682732, 920204, 5291173, 10582346, 21164692]

約数ペア:

[(1, 21164692), (2, 10582346), (4, 5291173), (23, 920204), (31, 682732), (41, 516212), (46, 460102), (62, 341366), (82, 258106), (92, 230051), (124, 170683), (164, 129053), (181, 116932), (362, 58466), (713, 29684), (724, 29233), (943, 22444), (1271, 16652), (1426, 14842), (1886, 11222), (2542, 8326), (2852, 7421), (3772, 5611), (4163, 5084)]