21222195

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{19381}}^1$

素因数の和:19462

約数の個数: 16

約数和(自身を含む): 34422432

約数和(自身を除く): 13200237

約数列:

[1, 3, 5, 15, 73, 219, 365, 1095, 19381, 58143, 96905, 290715, 1414813, 4244439, 7074065, 21222195]

約数ペア:

[(1, 21222195), (3, 7074065), (5, 4244439), (15, 1414813), (73, 290715), (219, 96905), (365, 58143), (1095, 19381)]