21020562

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{24847}}^1$

素因数の和:24902

約数の個数: 24

約数和(自身を含む): 46515456

約数和(自身を除く): 25494894

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846, 24847, 49694, 74541, 149082, 223623, 447246, 1167809, 2335618, 3503427, 7006854, 10510281, 21020562]

約数ペア:

[(1, 21020562), (2, 10510281), (3, 7006854), (6, 3503427), (9, 2335618), (18, 1167809), (47, 447246), (94, 223623), (141, 149082), (282, 74541), (423, 49694), (846, 24847)]