21322947

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{13487}}^1$

素因数の和:13538

約数の個数: 16

約数和(自身を含む): 31076352

約数和(自身を除く): 9753405

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 13487, 40461, 229279, 418097, 687837, 1254291, 7107649, 21322947]

約数ペア:

[(1, 21322947), (3, 7107649), (17, 1254291), (31, 687837), (51, 418097), (93, 229279), (527, 40461), (1581, 13487)]