21159990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{235111}}^1$

素因数の和:235124

約数の個数: 24

約数和(自身を含む): 55016208

約数和(自身を除く): 33856218

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 235111, 470222, 705333, 1175555, 1410666, 2115999, 2351110, 3526665, 4231998, 7053330, 10579995, 21159990]

約数ペア:

[(1, 21159990), (2, 10579995), (3, 7053330), (5, 4231998), (6, 3526665), (9, 2351110), (10, 2115999), (15, 1410666), (18, 1175555), (30, 705333), (45, 470222), (90, 235111)]