21879670

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{379}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 19488650

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 251, 379, 502, 758, 1255, 1895, 2510, 3790, 5773, 8717, 11546, 17434, 28865, 43585, 57730, 87170, 95129, 190258, 475645, 951290, 2187967, 4375934, 10939835, 21879670]

約数ペア:

[(1, 21879670), (2, 10939835), (5, 4375934), (10, 2187967), (23, 951290), (46, 475645), (115, 190258), (230, 95129), (251, 87170), (379, 57730), (502, 43585), (758, 28865), (1255, 17434), (1895, 11546), (2510, 8717), (3790, 5773)]