21940206

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{919}}^1$

素因数の和:1120

約数の個数: 32

約数和(自身を含む): 46103040

約数和(自身を除く): 24162834

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 173, 346, 519, 919, 1038, 1838, 2757, 3979, 5514, 7958, 11937, 21137, 23874, 42274, 63411, 126822, 158987, 317974, 476961, 953922, 3656701, 7313402, 10970103, 21940206]

約数ペア:

[(1, 21940206), (2, 10970103), (3, 7313402), (6, 3656701), (23, 953922), (46, 476961), (69, 317974), (138, 158987), (173, 126822), (346, 63411), (519, 42274), (919, 23874), (1038, 21137), (1838, 11937), (2757, 7958), (3979, 5514)]