21446523

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7243}}^1$

素因数の和:7303

約数の個数: 24

約数和(自身を含む): 36162048

約数和(自身を除く): 14715525

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 7243, 21729, 50701, 65187, 152103, 340421, 456309, 1021263, 2382947, 3063789, 7148841, 21446523]

約数ペア:

[(1, 21446523), (3, 7148841), (7, 3063789), (9, 2382947), (21, 1021263), (47, 456309), (63, 340421), (141, 152103), (329, 65187), (423, 50701), (987, 21729), (2961, 7243)]