21311836

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{58549}}^1$

素因数の和:58573

約数の個数: 24

約数和(自身を含む): 45903200

約数和(自身を除く): 24591364

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 58549, 117098, 234196, 409843, 761137, 819686, 1522274, 1639372, 3044548, 5327959, 10655918, 21311836]

約数ペア:

[(1, 21311836), (2, 10655918), (4, 5327959), (7, 3044548), (13, 1639372), (14, 1522274), (26, 819686), (28, 761137), (52, 409843), (91, 234196), (182, 117098), (364, 58549)]