21217359

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1\times {\mathrm{373}}^1$

素因数の和:726

約数の個数: 16

約数和(自身を含む): 28890752

約数和(自身を除く): 7673393

約数列:

[1, 3, 67, 201, 283, 373, 849, 1119, 18961, 24991, 56883, 74973, 105559, 316677, 7072453, 21217359]

約数ペア:

[(1, 21217359), (3, 7072453), (67, 316677), (201, 105559), (283, 74973), (373, 56883), (849, 24991), (1119, 18961)]