21965037

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{5189}}^1$

素因数の和:5292

約数の個数: 16

約数和(自身を含む): 31389120

約数和(自身を除く): 9424083

約数列:

[1, 3, 17, 51, 83, 249, 1411, 4233, 5189, 15567, 88213, 264639, 430687, 1292061, 7321679, 21965037]

約数ペア:

[(1, 21965037), (3, 7321679), (17, 1292061), (51, 430687), (83, 264639), (249, 88213), (1411, 15567), (4233, 5189)]