21568568048

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{70949237}}^1$

素因数の和:70949264

約数の個数: 20

約数和(自身を含む): 43988527560

約数和(自身を除く): 22419959512

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 70949237, 141898474, 283796948, 567593896, 1135187792, 1348035503, 2696071006, 5392142012, 10784284024, 21568568048]

約数ペア:

[(1, 21568568048), (2, 10784284024), (4, 5392142012), (8, 2696071006), (16, 1348035503), (19, 1135187792), (38, 567593896), (76, 283796948), (152, 141898474), (304, 70949237)]