21348135

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8951}}^1$

素因数の和:9015

約数の個数: 24

約数和(自身を含む): 37705824

約数和(自身を除く): 16357689

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 8951, 26853, 44755, 80559, 134265, 402795, 474403, 1423209, 2372015, 4269627, 7116045, 21348135]

約数ペア:

[(1, 21348135), (3, 7116045), (5, 4269627), (9, 2372015), (15, 1423209), (45, 474403), (53, 402795), (159, 134265), (265, 80559), (477, 44755), (795, 26853), (2385, 8951)]