21575518

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{5651}}^1$

素因数の和:5759

約数の個数: 16

約数和(自身を含む): 34183296

約数和(自身を除く): 12607778

約数列:

[1, 2, 23, 46, 83, 166, 1909, 3818, 5651, 11302, 129973, 259946, 469033, 938066, 10787759, 21575518]

約数ペア:

[(1, 21575518), (2, 10787759), (23, 938066), (46, 469033), (83, 259946), (166, 129973), (1909, 11302), (3818, 5651)]