21094305

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{29921}}^1$

素因数の和:29976

約数の個数: 16

約数和(自身を含む): 34470144

約数和(自身を除く): 13375839

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 29921, 89763, 149605, 448815, 1406287, 4218861, 7031435, 21094305]

約数ペア:

[(1, 21094305), (3, 7031435), (5, 4218861), (15, 1406287), (47, 448815), (141, 149605), (235, 89763), (705, 29921)]