21541338

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13151}}^1$

素因数の和:13179

約数の個数: 48

約数和(自身を含む): 57447936

約数和(自身を除く): 35906598

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 13151, 26302, 39453, 78906, 92057, 118359, 170963, 184114, 236718, 276171, 341926, 512889, 552342, 828513, 1025778, 1196741, 1538667, 1657026, 2393482, 3077334, 3590223, 7180446, 10770669, 21541338]

約数ペア:

[(1, 21541338), (2, 10770669), (3, 7180446), (6, 3590223), (7, 3077334), (9, 2393482), (13, 1657026), (14, 1538667), (18, 1196741), (21, 1025778), (26, 828513), (39, 552342), (42, 512889), (63, 341926), (78, 276171), (91, 236718), (117, 184114), (126, 170963), (182, 118359), (234, 92057), (273, 78906), (546, 39453), (819, 26302), (1638, 13151)]