21348554

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{251}}^1$

素因数の和:362

約数の個数: 24

約数和(自身を含む): 34346592

約数和(自身を除く): 12998038

約数列:

[1, 2, 23, 43, 46, 86, 251, 502, 989, 1849, 1978, 3698, 5773, 10793, 11546, 21586, 42527, 85054, 248239, 464099, 496478, 928198, 10674277, 21348554]

約数ペア:

[(1, 21348554), (2, 10674277), (23, 928198), (43, 496478), (46, 464099), (86, 248239), (251, 85054), (502, 42527), (989, 21586), (1849, 11546), (1978, 10793), (3698, 5773)]