21820212

素因数分解:

$2^2\times 3^3\times {\mathrm{281}}^1\times {\mathrm{719}}^1$

素因数の和:1013

約数の個数: 48

約数和(自身を含む): 56851200

約数和(自身を除く): 35030988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 281, 562, 719, 843, 1124, 1438, 1686, 2157, 2529, 2876, 3372, 4314, 5058, 6471, 7587, 8628, 10116, 12942, 15174, 19413, 25884, 30348, 38826, 77652, 202039, 404078, 606117, 808156, 1212234, 1818351, 2424468, 3636702, 5455053, 7273404, 10910106, 21820212]

約数ペア:

[(1, 21820212), (2, 10910106), (3, 7273404), (4, 5455053), (6, 3636702), (9, 2424468), (12, 1818351), (18, 1212234), (27, 808156), (36, 606117), (54, 404078), (108, 202039), (281, 77652), (562, 38826), (719, 30348), (843, 25884), (1124, 19413), (1438, 15174), (1686, 12942), (2157, 10116), (2529, 8628), (2876, 7587), (3372, 6471), (4314, 5058)]