21782026

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1619}}^1$

素因数の和:1690

約数の個数: 24

約数和(自身を含む): 38607840

約数和(自身を除く): 16825814

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 961, 1619, 1922, 3238, 6727, 11333, 13454, 22666, 50189, 100378, 351323, 702646, 1555859, 3111718, 10891013, 21782026]

約数ペア:

[(1, 21782026), (2, 10891013), (7, 3111718), (14, 1555859), (31, 702646), (62, 351323), (217, 100378), (434, 50189), (961, 22666), (1619, 13454), (1922, 11333), (3238, 6727)]