21039960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175333}}^1$

素因数の和:175347

約数の個数: 32

約数和(自身を含む): 63120240

約数和(自身を除く): 42080280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175333, 350666, 525999, 701332, 876665, 1051998, 1402664, 1753330, 2103996, 2629995, 3506660, 4207992, 5259990, 7013320, 10519980, 21039960]

約数ペア:

[(1, 21039960), (2, 10519980), (3, 7013320), (4, 5259990), (5, 4207992), (6, 3506660), (8, 2629995), (10, 2103996), (12, 1753330), (15, 1402664), (20, 1051998), (24, 876665), (30, 701332), (40, 525999), (60, 350666), (120, 175333)]