21494110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{195401}}^1$

素因数の和:195419

約数の個数: 16

約数和(自身を含む): 42206832

約数和(自身を除く): 20712722

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 195401, 390802, 977005, 1954010, 2149411, 4298822, 10747055, 21494110]

約数ペア:

[(1, 21494110), (2, 10747055), (5, 4298822), (10, 2149411), (11, 1954010), (22, 977005), (55, 390802), (110, 195401)]