21547372

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{69959}}^1$

素因数の和:69981

約数の個数: 24

約数和(自身を含む): 47013120

約数和(自身を除く): 25465748

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 69959, 139918, 279836, 489713, 769549, 979426, 1539098, 1958852, 3078196, 5386843, 10773686, 21547372]

約数ペア:

[(1, 21547372), (2, 10773686), (4, 5386843), (7, 3078196), (11, 1958852), (14, 1539098), (22, 979426), (28, 769549), (44, 489713), (77, 279836), (154, 139918), (308, 69959)]