21297333

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{1201}}^1$

素因数の和:1484

約数の個数: 16

約数和(自身を含む): 29771136

約数和(自身を除く): 8473803

約数列:

[1, 3, 23, 69, 257, 771, 1201, 3603, 5911, 17733, 27623, 82869, 308657, 925971, 7099111, 21297333]

約数ペア:

[(1, 21297333), (3, 7099111), (23, 925971), (69, 308657), (257, 82869), (771, 27623), (1201, 17733), (3603, 5911)]