21809796

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4159}}^1$

素因数の和:4208

約数の個数: 48

約数和(自身を含む): 55910400

約数和(自身を除く): 34100604

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 138, 228, 276, 437, 874, 1311, 1748, 2622, 4159, 5244, 8318, 12477, 16636, 24954, 49908, 79021, 95657, 158042, 191314, 237063, 286971, 316084, 382628, 474126, 573942, 948252, 1147884, 1817483, 3634966, 5452449, 7269932, 10904898, 21809796]

約数ペア:

[(1, 21809796), (2, 10904898), (3, 7269932), (4, 5452449), (6, 3634966), (12, 1817483), (19, 1147884), (23, 948252), (38, 573942), (46, 474126), (57, 382628), (69, 316084), (76, 286971), (92, 237063), (114, 191314), (138, 158042), (228, 95657), (276, 79021), (437, 49908), (874, 24954), (1311, 16636), (1748, 12477), (2622, 8318), (4159, 5244)]