20211603

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1\times {\mathrm{401}}^1$

素因数の和:774

約数の個数: 16

約数和(自身を含む): 27612576

約数和(自身を除く): 7400973

約数列:

[1, 3, 53, 159, 317, 401, 951, 1203, 16801, 21253, 50403, 63759, 127117, 381351, 6737201, 20211603]

約数ペア:

[(1, 20211603), (3, 6737201), (53, 381351), (159, 127117), (317, 63759), (401, 50403), (951, 21253), (1203, 16801)]