21079431352

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{53069}}^1$

素因数の和:53296

約数の個数: 64

約数和(自身を含む): 46540267200

約数和(自身を除く): 25460835848

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 173, 287, 328, 346, 574, 692, 1148, 1211, 1384, 2296, 2422, 4844, 7093, 9688, 14186, 28372, 49651, 53069, 56744, 99302, 106138, 198604, 212276, 371483, 397208, 424552, 742966, 1485932, 2175829, 2971864, 4351658, 8703316, 9180937, 15230803, 17406632, 18361874, 30461606, 36723748, 60923212, 64266559, 73447496, 121846424, 128533118, 257066236, 376418417, 514132472, 752836834, 1505673668, 2634928919, 3011347336, 5269857838, 10539715676, 21079431352]

約数ペア:

[(1, 21079431352), (2, 10539715676), (4, 5269857838), (7, 3011347336), (8, 2634928919), (14, 1505673668), (28, 752836834), (41, 514132472), (56, 376418417), (82, 257066236), (164, 128533118), (173, 121846424), (287, 73447496), (328, 64266559), (346, 60923212), (574, 36723748), (692, 30461606), (1148, 18361874), (1211, 17406632), (1384, 15230803), (2296, 9180937), (2422, 8703316), (4844, 4351658), (7093, 2971864), (9688, 2175829), (14186, 1485932), (28372, 742966), (49651, 424552), (53069, 397208), (56744, 371483), (99302, 212276), (106138, 198604)]