21548790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{239431}}^1$

素因数の和:239444

約数の個数: 24

約数和(自身を含む): 56027088

約数和(自身を除く): 34478298

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 239431, 478862, 718293, 1197155, 1436586, 2154879, 2394310, 3591465, 4309758, 7182930, 10774395, 21548790]

約数ペア:

[(1, 21548790), (2, 10774395), (3, 7182930), (5, 4309758), (6, 3591465), (9, 2394310), (10, 2154879), (15, 1436586), (18, 1197155), (30, 718293), (45, 478862), (90, 239431)]