21282378

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{971}}^1$

素因数の和:1270

約数の個数: 32

約数和(自身を含む): 46049472

約数和(自身を除く): 24767094

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 281, 562, 843, 971, 1686, 1942, 2913, 3653, 5826, 7306, 10959, 12623, 21918, 25246, 37869, 75738, 272851, 545702, 818553, 1637106, 3547063, 7094126, 10641189, 21282378]

約数ペア:

[(1, 21282378), (2, 10641189), (3, 7094126), (6, 3547063), (13, 1637106), (26, 818553), (39, 545702), (78, 272851), (281, 75738), (562, 37869), (843, 25246), (971, 21918), (1686, 12623), (1942, 10959), (2913, 7306), (3653, 5826)]