21493242896

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43333151}}^1$

素因数の和:43333190

約数の個数: 20

約数和(自身を含む): 42986486784

約数和(自身を除く): 21493243888

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 43333151, 86666302, 173332604, 346665208, 693330416, 1343327681, 2686655362, 5373310724, 10746621448, 21493242896]

約数ペア:

[(1, 21493242896), (2, 10746621448), (4, 5373310724), (8, 2686655362), (16, 1343327681), (31, 693330416), (62, 346665208), (124, 173332604), (248, 86666302), (496, 43333151)]