21000810882

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{346651}}^1$

素因数の和:347118

約数の個数: 32

約数和(自身を含む): 43927741440

約数和(自身を除く): 22926930558

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 439, 878, 1317, 2634, 10097, 20194, 30291, 60582, 346651, 693302, 1039953, 2079906, 7972973, 15945946, 23918919, 47837838, 152179789, 304359578, 456539367, 913078734, 3500135147, 7000270294, 10500405441, 21000810882]

約数ペア:

[(1, 21000810882), (2, 10500405441), (3, 7000270294), (6, 3500135147), (23, 913078734), (46, 456539367), (69, 304359578), (138, 152179789), (439, 47837838), (878, 23918919), (1317, 15945946), (2634, 7972973), (10097, 2079906), (20194, 1039953), (30291, 693302), (60582, 346651)]