21376197

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41669}}^1$

素因数の和:41697

約数の個数: 16

約数和(自身を含む): 33336000

約数和(自身を除く): 11959803

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 41669, 125007, 375021, 791711, 1125063, 2375133, 7125399, 21376197]

約数ペア:

[(1, 21376197), (3, 7125399), (9, 2375133), (19, 1125063), (27, 791711), (57, 375021), (171, 125007), (513, 41669)]