21582055

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4409}}^1$

素因数の和:4514

約数の個数: 16

約数和(自身を含む): 28576800

約数和(自身を除く): 6994745

約数列:

[1, 5, 11, 55, 89, 445, 979, 4409, 4895, 22045, 48499, 242495, 392401, 1962005, 4316411, 21582055]

約数ペア:

[(1, 21582055), (5, 4316411), (11, 1962005), (55, 392401), (89, 242495), (445, 48499), (979, 22045), (4409, 4895)]