21436700828

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{3863861}}^1$

素因数の和:3863957

約数の個数: 24

約数和(自身を含む): 40029610320

約数和(自身を除く): 18592909492

約数列:

[1, 2, 4, 19, 38, 73, 76, 146, 292, 1387, 2774, 5548, 3863861, 7727722, 15455444, 73413359, 146826718, 282061853, 293653436, 564123706, 1128247412, 5359175207, 10718350414, 21436700828]

約数ペア:

[(1, 21436700828), (2, 10718350414), (4, 5359175207), (19, 1128247412), (38, 564123706), (73, 293653436), (76, 282061853), (146, 146826718), (292, 73413359), (1387, 15455444), (2774, 7727722), (5548, 3863861)]