21506562

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:348

約数の個数: 96

約数和(自身を含む): 59304960

約数和(自身を除く): 37798398

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 59, 63, 66, 77, 99, 118, 126, 154, 177, 198, 231, 263, 354, 413, 462, 526, 531, 649, 693, 789, 826, 1062, 1239, 1298, 1386, 1578, 1841, 1947, 2367, 2478, 2893, 3682, 3717, 3894, 4543, 4734, 5523, 5786, 5841, 7434, 8679, 9086, 11046, 11682, 13629, 15517, 16569, 17358, 20251, 26037, 27258, 31034, 33138, 40502, 40887, 46551, 52074, 60753, 81774, 93102, 108619, 121506, 139653, 170687, 182259, 217238, 279306, 325857, 341374, 364518, 512061, 651714, 977571, 1024122, 1194809, 1536183, 1955142, 2389618, 3072366, 3584427, 7168854, 10753281, 21506562]

約数ペア:

[(1, 21506562), (2, 10753281), (3, 7168854), (6, 3584427), (7, 3072366), (9, 2389618), (11, 1955142), (14, 1536183), (18, 1194809), (21, 1024122), (22, 977571), (33, 651714), (42, 512061), (59, 364518), (63, 341374), (66, 325857), (77, 279306), (99, 217238), (118, 182259), (126, 170687), (154, 139653), (177, 121506), (198, 108619), (231, 93102), (263, 81774), (354, 60753), (413, 52074), (462, 46551), (526, 40887), (531, 40502), (649, 33138), (693, 31034), (789, 27258), (826, 26037), (1062, 20251), (1239, 17358), (1298, 16569), (1386, 15517), (1578, 13629), (1841, 11682), (1947, 11046), (2367, 9086), (2478, 8679), (2893, 7434), (3682, 5841), (3717, 5786), (3894, 5523), (4543, 4734)]