21253218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{577}}^1\times {\mathrm{877}}^1$

素因数の和:1466

約数の個数: 32

約数和(自身を含む): 48718464

約数和(自身を除く): 27465246

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 577, 877, 1154, 1731, 1754, 2631, 3462, 4039, 5262, 6139, 8078, 12117, 12278, 18417, 24234, 36834, 506029, 1012058, 1518087, 3036174, 3542203, 7084406, 10626609, 21253218]

約数ペア:

[(1, 21253218), (2, 10626609), (3, 7084406), (6, 3542203), (7, 3036174), (14, 1518087), (21, 1012058), (42, 506029), (577, 36834), (877, 24234), (1154, 18417), (1731, 12278), (1754, 12117), (2631, 8078), (3462, 6139), (4039, 5262)]