21382503

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{599}}^1$

素因数の和:838

約数の個数: 16

約数和(自身を含む): 29126400

約数和(自身を除く): 7743897

約数列:

[1, 3, 73, 163, 219, 489, 599, 1797, 11899, 35697, 43727, 97637, 131181, 292911, 7127501, 21382503]

約数ペア:

[(1, 21382503), (3, 7127501), (73, 292911), (163, 131181), (219, 97637), (489, 43727), (599, 35697), (1797, 11899)]