21962530

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{24677}}^1$

素因数の和:24773

約数の個数: 16

約数和(自身を含む): 39978360

約数和(自身を除く): 18015830

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 24677, 49354, 123385, 246770, 2196253, 4392506, 10981265, 21962530]

約数ペア:

[(1, 21962530), (2, 10981265), (5, 4392506), (10, 2196253), (89, 246770), (178, 123385), (445, 49354), (890, 24677)]