21129930

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{78259}}^1$

素因数の和:78275

約数の個数: 32

約数和(自身を含む): 56347200

約数和(自身を除く): 35217270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 78259, 156518, 234777, 391295, 469554, 704331, 782590, 1173885, 1408662, 2112993, 2347770, 3521655, 4225986, 7043310, 10564965, 21129930]

約数ペア:

[(1, 21129930), (2, 10564965), (3, 7043310), (5, 4225986), (6, 3521655), (9, 2347770), (10, 2112993), (15, 1408662), (18, 1173885), (27, 782590), (30, 704331), (45, 469554), (54, 391295), (90, 234777), (135, 156518), (270, 78259)]