21279438

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{25153}}^1$

素因数の和:25208

約数の個数: 24

約数和(自身を含む): 47088288

約数和(自身を除く): 25808850

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846, 25153, 50306, 75459, 150918, 226377, 452754, 1182191, 2364382, 3546573, 7093146, 10639719, 21279438]

約数ペア:

[(1, 21279438), (2, 10639719), (3, 7093146), (6, 3546573), (9, 2364382), (18, 1182191), (47, 452754), (94, 226377), (141, 150918), (282, 75459), (423, 50306), (846, 25153)]