21433210

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{21221}}^1$

素因数の和:21329

約数の個数: 16

約数和(自身を含む): 38963592

約数和(自身を除く): 17530382

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 21221, 42442, 106105, 212210, 2143321, 4286642, 10716605, 21433210]

約数ペア:

[(1, 21433210), (2, 10716605), (5, 4286642), (10, 2143321), (101, 212210), (202, 106105), (505, 42442), (1010, 21221)]