21882064

素因数分解:

$2^4\times {\mathrm{1061}}^1\times {\mathrm{1289}}^1$

素因数の和:2358

約数の個数: 20

約数和(自身を含む): 42469380

約数和(自身を除く): 20587316

約数列:

[1, 2, 4, 8, 16, 1061, 1289, 2122, 2578, 4244, 5156, 8488, 10312, 16976, 20624, 1367629, 2735258, 5470516, 10941032, 21882064]

約数ペア:

[(1, 21882064), (2, 10941032), (4, 5470516), (8, 2735258), (16, 1367629), (1061, 20624), (1289, 16976), (2122, 10312), (2578, 8488), (4244, 5156)]