21508530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{716951}}^1$

素因数の和:716961

約数の個数: 16

約数和(自身を含む): 51620544

約数和(自身を除く): 30112014

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 716951, 1433902, 2150853, 3584755, 4301706, 7169510, 10754265, 21508530]

約数ペア:

[(1, 21508530), (2, 10754265), (3, 7169510), (5, 4301706), (6, 3584755), (10, 2150853), (15, 1433902), (30, 716951)]