21475630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1933}}^1$

素因数の和:2052

約数の個数: 32

約数和(自身を含む): 42609888

約数和(自身を除く): 21134258

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 1933, 2222, 3866, 5555, 9665, 11110, 19330, 21263, 42526, 106315, 195233, 212630, 390466, 976165, 1952330, 2147563, 4295126, 10737815, 21475630]

約数ペア:

[(1, 21475630), (2, 10737815), (5, 4295126), (10, 2147563), (11, 1952330), (22, 976165), (55, 390466), (101, 212630), (110, 195233), (202, 106315), (505, 42526), (1010, 21263), (1111, 19330), (1933, 11110), (2222, 9665), (3866, 5555)]