21408266

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{3463}}^1$

素因数の和:3757

約数の個数: 16

約数和(自身を含む): 35166528

約数和(自身を除く): 13758262

約数列:

[1, 2, 11, 22, 281, 562, 3091, 3463, 6182, 6926, 38093, 76186, 973103, 1946206, 10704133, 21408266]

約数ペア:

[(1, 21408266), (2, 10704133), (11, 1946206), (22, 973103), (281, 76186), (562, 38093), (3091, 6926), (3463, 6182)]