21936184

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{521}}^1$

素因数の和:823

約数の個数: 32

約数和(自身を含む): 43534800

約数和(自身を除く): 21598616

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 277, 521, 554, 1042, 1108, 2084, 2216, 4168, 5263, 9899, 10526, 19798, 21052, 39596, 42104, 79192, 144317, 288634, 577268, 1154536, 2742023, 5484046, 10968092, 21936184]

約数ペア:

[(1, 21936184), (2, 10968092), (4, 5484046), (8, 2742023), (19, 1154536), (38, 577268), (76, 288634), (152, 144317), (277, 79192), (521, 42104), (554, 39596), (1042, 21052), (1108, 19798), (2084, 10526), (2216, 9899), (4168, 5263)]