21908628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{86939}}^1$

素因数の和:86956

約数の個数: 36

約数和(自身を含む): 63292320

約数和(自身を除く): 41383692

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 86939, 173878, 260817, 347756, 521634, 608573, 782451, 1043268, 1217146, 1564902, 1825719, 2434292, 3129804, 3651438, 5477157, 7302876, 10954314, 21908628]

約数ペア:

[(1, 21908628), (2, 10954314), (3, 7302876), (4, 5477157), (6, 3651438), (7, 3129804), (9, 2434292), (12, 1825719), (14, 1564902), (18, 1217146), (21, 1043268), (28, 782451), (36, 608573), (42, 521634), (63, 347756), (84, 260817), (126, 173878), (252, 86939)]