21680226

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1013}}^1$

素因数の和:1091

約数の個数: 48

約数和(自身を含む): 49827960

約数和(自身を除く): 28147734

約数列:

[1, 2, 3, 6, 9, 18, 29, 41, 58, 82, 87, 123, 174, 246, 261, 369, 522, 738, 1013, 1189, 2026, 2378, 3039, 3567, 6078, 7134, 9117, 10701, 18234, 21402, 29377, 41533, 58754, 83066, 88131, 124599, 176262, 249198, 264393, 373797, 528786, 747594, 1204457, 2408914, 3613371, 7226742, 10840113, 21680226]

約数ペア:

[(1, 21680226), (2, 10840113), (3, 7226742), (6, 3613371), (9, 2408914), (18, 1204457), (29, 747594), (41, 528786), (58, 373797), (82, 264393), (87, 249198), (123, 176262), (174, 124599), (246, 88131), (261, 83066), (369, 58754), (522, 41533), (738, 29377), (1013, 21402), (1189, 18234), (2026, 10701), (2378, 9117), (3039, 7134), (3567, 6078)]