21492176

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43331}}^1$

素因数の和:43370

約数の個数: 20

約数和(自身を含む): 42985344

約数和(自身を除く): 21493168

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 43331, 86662, 173324, 346648, 693296, 1343261, 2686522, 5373044, 10746088, 21492176]

約数ペア:

[(1, 21492176), (2, 10746088), (4, 5373044), (8, 2686522), (16, 1343261), (31, 693296), (62, 346648), (124, 173324), (248, 86662), (496, 43331)]