21523432

素因数分解:

$2^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1951}}^1$

素因数の和:2161

約数の個数: 32

約数和(自身を含む): 46379520

約数和(自身を除く): 24856088

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 197, 394, 788, 1379, 1576, 1951, 2758, 3902, 5516, 7804, 11032, 13657, 15608, 27314, 54628, 109256, 384347, 768694, 1537388, 2690429, 3074776, 5380858, 10761716, 21523432]

約数ペア:

[(1, 21523432), (2, 10761716), (4, 5380858), (7, 3074776), (8, 2690429), (14, 1537388), (28, 768694), (56, 384347), (197, 109256), (394, 54628), (788, 27314), (1379, 15608), (1576, 13657), (1951, 11032), (2758, 7804), (3902, 5516)]