21573558

素因数分解:

$2^1\times 3^2\times {\mathrm{491}}^1\times {\mathrm{2441}}^1$

素因数の和:2940

約数の個数: 24

約数和(自身を含む): 46857096

約数和(自身を除く): 25283538

約数列:

[1, 2, 3, 6, 9, 18, 491, 982, 1473, 2441, 2946, 4419, 4882, 7323, 8838, 14646, 21969, 43938, 1198531, 2397062, 3595593, 7191186, 10786779, 21573558]

約数ペア:

[(1, 21573558), (2, 10786779), (3, 7191186), (6, 3595593), (9, 2397062), (18, 1198531), (491, 43938), (982, 21969), (1473, 14646), (2441, 8838), (2946, 7323), (4419, 4882)]