21970497

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{2137}}^1$

素因数の和:2312

約数の個数: 16

約数和(自身を含む): 30787200

約数和(自身を除く): 8816703

約数列:

[1, 3, 23, 69, 149, 447, 2137, 3427, 6411, 10281, 49151, 147453, 318413, 955239, 7323499, 21970497]

約数ペア:

[(1, 21970497), (3, 7323499), (23, 955239), (69, 318413), (149, 147453), (447, 49151), (2137, 10281), (3427, 6411)]