21814942

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{1097}}^1$

素因数の和:1323

約数の個数: 16

約数和(自身を含む): 33493392

約数和(自身を除く): 11678450

約数列:

[1, 2, 61, 122, 163, 326, 1097, 2194, 9943, 19886, 66917, 133834, 178811, 357622, 10907471, 21814942]

約数ペア:

[(1, 21814942), (2, 10907471), (61, 357622), (122, 178811), (163, 133834), (326, 66917), (1097, 19886), (2194, 9943)]