21889658

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1627}}^1$

素因数の和:1698

約数の個数: 24

約数和(自身を含む): 38798496

約数和(自身を除く): 16908838

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 961, 1627, 1922, 3254, 6727, 11389, 13454, 22778, 50437, 100874, 353059, 706118, 1563547, 3127094, 10944829, 21889658]

約数ペア:

[(1, 21889658), (2, 10944829), (7, 3127094), (14, 1563547), (31, 706118), (62, 353059), (217, 100874), (434, 50437), (961, 22778), (1627, 13454), (1922, 11389), (3254, 6727)]