21497142

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{76231}}^1$

素因数の和:76283

約数の個数: 16

約数和(自身を含む): 43909632

約数和(自身を除く): 22412490

約数列:

[1, 2, 3, 6, 47, 94, 141, 282, 76231, 152462, 228693, 457386, 3582857, 7165714, 10748571, 21497142]

約数ペア:

[(1, 21497142), (2, 10748571), (3, 7165714), (6, 3582857), (47, 457386), (94, 228693), (141, 152462), (282, 76231)]