21818191

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1361}}^1$

素因数の和:1442

約数の個数: 16

約数和(自身を含む): 24712128

約数和(自身を除く): 2893937

約数列:

[1, 17, 23, 41, 391, 697, 943, 1361, 16031, 23137, 31303, 55801, 532151, 948617, 1283423, 21818191]

約数ペア:

[(1, 21818191), (17, 1283423), (23, 948617), (41, 532151), (391, 55801), (697, 31303), (943, 23137), (1361, 16031)]