21067172

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{32713}}^1$

素因数の和:32747

約数の個数: 24

約数和(自身を含む): 43967616

約数和(自身を除く): 22900444

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 32713, 65426, 130852, 228991, 457982, 752399, 915964, 1504798, 3009596, 5266793, 10533586, 21067172]

約数ペア:

[(1, 21067172), (2, 10533586), (4, 5266793), (7, 3009596), (14, 1504798), (23, 915964), (28, 752399), (46, 457982), (92, 228991), (161, 130852), (322, 65426), (644, 32713)]