21615110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{196501}}^1$

素因数の和:196519

約数の個数: 16

約数和(自身を含む): 42444432

約数和(自身を除く): 20829322

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 196501, 393002, 982505, 1965010, 2161511, 4323022, 10807555, 21615110]

約数ペア:

[(1, 21615110), (2, 10807555), (5, 4323022), (10, 2161511), (11, 1965010), (22, 982505), (55, 393002), (110, 196501)]