21770913

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{1217}}^1$

素因数の和:1376

約数の個数: 16

約数和(自身を含む): 29816640

約数和(自身を除く): 8045727

約数列:

[1, 3, 67, 89, 201, 267, 1217, 3651, 5963, 17889, 81539, 108313, 244617, 324939, 7256971, 21770913]

約数ペア:

[(1, 21770913), (3, 7256971), (67, 324939), (89, 244617), (201, 108313), (267, 81539), (1217, 17889), (3651, 5963)]