21942840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{182857}}^1$

素因数の和:182871

約数の個数: 32

約数和(自身を含む): 65828880

約数和(自身を除く): 43886040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 182857, 365714, 548571, 731428, 914285, 1097142, 1462856, 1828570, 2194284, 2742855, 3657140, 4388568, 5485710, 7314280, 10971420, 21942840]

約数ペア:

[(1, 21942840), (2, 10971420), (3, 7314280), (4, 5485710), (5, 4388568), (6, 3657140), (8, 2742855), (10, 2194284), (12, 1828570), (15, 1462856), (20, 1097142), (24, 914285), (30, 731428), (40, 548571), (60, 365714), (120, 182857)]