21235456

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{7541}}^1$

素因数の和:7568

約数の個数: 36

約数和(自身を含む): 46247544

約数和(自身を除く): 25012088

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 704, 1408, 2816, 7541, 15082, 30164, 60328, 82951, 120656, 165902, 241312, 331804, 482624, 663608, 965248, 1327216, 1930496, 2654432, 5308864, 10617728, 21235456]

約数ペア:

[(1, 21235456), (2, 10617728), (4, 5308864), (8, 2654432), (11, 1930496), (16, 1327216), (22, 965248), (32, 663608), (44, 482624), (64, 331804), (88, 241312), (128, 165902), (176, 120656), (256, 82951), (352, 60328), (704, 30164), (1408, 15082), (2816, 7541)]