21880386

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1873}}^1$

素因数の和:1951

約数の個数: 48

約数和(自身を含む): 52621920

約数和(自身を除く): 30741534

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 59, 66, 99, 118, 177, 198, 354, 531, 649, 1062, 1298, 1873, 1947, 3746, 3894, 5619, 5841, 11238, 11682, 16857, 20603, 33714, 41206, 61809, 110507, 123618, 185427, 221014, 331521, 370854, 663042, 994563, 1215577, 1989126, 2431154, 3646731, 7293462, 10940193, 21880386]

約数ペア:

[(1, 21880386), (2, 10940193), (3, 7293462), (6, 3646731), (9, 2431154), (11, 1989126), (18, 1215577), (22, 994563), (33, 663042), (59, 370854), (66, 331521), (99, 221014), (118, 185427), (177, 123618), (198, 110507), (354, 61809), (531, 41206), (649, 33714), (1062, 20603), (1298, 16857), (1873, 11682), (1947, 11238), (3746, 5841), (3894, 5619)]