21550870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1831}}^1$

素因数の和:1956

約数の個数: 32

約数和(自身を含む): 42736896

約数和(自身を除く): 21186026

約数列:

[1, 2, 5, 10, 11, 22, 55, 107, 110, 214, 535, 1070, 1177, 1831, 2354, 3662, 5885, 9155, 11770, 18310, 20141, 40282, 100705, 195917, 201410, 391834, 979585, 1959170, 2155087, 4310174, 10775435, 21550870]

約数ペア:

[(1, 21550870), (2, 10775435), (5, 4310174), (10, 2155087), (11, 1959170), (22, 979585), (55, 391834), (107, 201410), (110, 195917), (214, 100705), (535, 40282), (1070, 20141), (1177, 18310), (1831, 11770), (2354, 9155), (3662, 5885)]