21973918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{6967}}^1$

素因数の和:7071

約数の個数: 16

約数和(自身を含む): 35118720

約数和(自身を除く): 13144802

約数列:

[1, 2, 19, 38, 83, 166, 1577, 3154, 6967, 13934, 132373, 264746, 578261, 1156522, 10986959, 21973918]

約数ペア:

[(1, 21973918), (2, 10986959), (19, 1156522), (38, 578261), (83, 264746), (166, 132373), (1577, 13934), (3154, 6967)]