21951050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{373}}^1$

素因数の和:503

約数の個数: 48

約数和(自身を含む): 45077472

約数和(自身を除く): 23126422

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 107, 110, 214, 275, 373, 535, 550, 746, 1070, 1177, 1865, 2354, 2675, 3730, 4103, 5350, 5885, 8206, 9325, 11770, 18650, 20515, 29425, 39911, 41030, 58850, 79822, 102575, 199555, 205150, 399110, 439021, 878042, 997775, 1995550, 2195105, 4390210, 10975525, 21951050]

約数ペア:

[(1, 21951050), (2, 10975525), (5, 4390210), (10, 2195105), (11, 1995550), (22, 997775), (25, 878042), (50, 439021), (55, 399110), (107, 205150), (110, 199555), (214, 102575), (275, 79822), (373, 58850), (535, 41030), (550, 39911), (746, 29425), (1070, 20515), (1177, 18650), (1865, 11770), (2354, 9325), (2675, 8206), (3730, 5885), (4103, 5350)]