21255122

素因数分解:

$2^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{2027}}^1$

素因数の和:2150

約数の個数: 24

約数和(自身を含む): 37453104

約数和(自身を除く): 16197982

約数列:

[1, 2, 7, 14, 49, 98, 107, 214, 749, 1498, 2027, 4054, 5243, 10486, 14189, 28378, 99323, 198646, 216889, 433778, 1518223, 3036446, 10627561, 21255122]

約数ペア:

[(1, 21255122), (2, 10627561), (7, 3036446), (14, 1518223), (49, 433778), (98, 216889), (107, 198646), (214, 99323), (749, 28378), (1498, 14189), (2027, 10486), (4054, 5243)]