21192066

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2129}}^1$

素因数の和:2223

約数の個数: 48

約数和(自身を含む): 53164800

約数和(自身を除く): 31972734

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 79, 126, 158, 237, 474, 553, 711, 1106, 1422, 1659, 2129, 3318, 4258, 4977, 6387, 9954, 12774, 14903, 19161, 29806, 38322, 44709, 89418, 134127, 168191, 268254, 336382, 504573, 1009146, 1177337, 1513719, 2354674, 3027438, 3532011, 7064022, 10596033, 21192066]

約数ペア:

[(1, 21192066), (2, 10596033), (3, 7064022), (6, 3532011), (7, 3027438), (9, 2354674), (14, 1513719), (18, 1177337), (21, 1009146), (42, 504573), (63, 336382), (79, 268254), (126, 168191), (158, 134127), (237, 89418), (474, 44709), (553, 38322), (711, 29806), (1106, 19161), (1422, 14903), (1659, 12774), (2129, 9954), (3318, 6387), (4258, 4977)]