21867117

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2731}}^1$

素因数の和:2908

約数の個数: 16

約数和(自身を含む): 31079232

約数和(自身を除く): 9212115

約数列:

[1, 3, 17, 51, 157, 471, 2669, 2731, 8007, 8193, 46427, 139281, 428767, 1286301, 7289039, 21867117]

約数ペア:

[(1, 21867117), (3, 7289039), (17, 1286301), (51, 428767), (157, 139281), (471, 46427), (2669, 8193), (2731, 8007)]