21485212

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{45137}}^1$

素因数の和:45165

約数の個数: 24

約数和(自身を含む): 45499104

約数和(自身を除く): 24013892

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 45137, 90274, 180548, 315959, 631918, 767329, 1263836, 1534658, 3069316, 5371303, 10742606, 21485212]

約数ペア:

[(1, 21485212), (2, 10742606), (4, 5371303), (7, 3069316), (14, 1534658), (17, 1263836), (28, 767329), (34, 631918), (68, 315959), (119, 180548), (238, 90274), (476, 45137)]