21916540

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{4547}}^1$

素因数の和:4797

約数の個数: 24

約数和(自身を含む): 46225872

約数和(自身を除く): 24309332

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4547, 4820, 9094, 18188, 22735, 45470, 90940, 1095827, 2191654, 4383308, 5479135, 10958270, 21916540]

約数ペア:

[(1, 21916540), (2, 10958270), (4, 5479135), (5, 4383308), (10, 2191654), (20, 1095827), (241, 90940), (482, 45470), (964, 22735), (1205, 18188), (2410, 9094), (4547, 4820)]