21338838

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{40879}}^1$

素因数の和:40916

約数の個数: 24

約数和(自身を含む): 47829600

約数和(自身を除く): 26490762

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 40879, 81758, 122637, 245274, 367911, 735822, 1185491, 2370982, 3556473, 7112946, 10669419, 21338838]

約数ペア:

[(1, 21338838), (2, 10669419), (3, 7112946), (6, 3556473), (9, 2370982), (18, 1185491), (29, 735822), (58, 367911), (87, 245274), (174, 122637), (261, 81758), (522, 40879)]