21524274

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{51991}}^1$

素因数の和:52022

約数の個数: 24

約数和(自身を含む): 48664512

約数和(自身を除く): 27140238

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 51991, 103982, 155973, 311946, 467919, 935838, 1195793, 2391586, 3587379, 7174758, 10762137, 21524274]

約数ペア:

[(1, 21524274), (2, 10762137), (3, 7174758), (6, 3587379), (9, 2391586), (18, 1195793), (23, 935838), (46, 467919), (69, 311946), (138, 155973), (207, 103982), (414, 51991)]