21386102912

素因数分解:

$2^7\times {\mathrm{157}}^1\times {\mathrm{1064197}}^1$

素因数の和:1064368

約数の個数: 32

約数和(自身を含む): 42876537420

約数和(自身を除く): 21490434508

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157, 314, 628, 1256, 2512, 5024, 10048, 20096, 1064197, 2128394, 4256788, 8513576, 17027152, 34054304, 68108608, 136217216, 167078929, 334157858, 668315716, 1336631432, 2673262864, 5346525728, 10693051456, 21386102912]

約数ペア:

[(1, 21386102912), (2, 10693051456), (4, 5346525728), (8, 2673262864), (16, 1336631432), (32, 668315716), (64, 334157858), (128, 167078929), (157, 136217216), (314, 68108608), (628, 34054304), (1256, 17027152), (2512, 8513576), (5024, 4256788), (10048, 2128394), (20096, 1064197)]