21052812

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{159491}}^1$

素因数の和:159509

約数の個数: 24

約数和(自身を含む): 53589312

約数和(自身を除く): 32536500

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 159491, 318982, 478473, 637964, 956946, 1754401, 1913892, 3508802, 5263203, 7017604, 10526406, 21052812]

約数ペア:

[(1, 21052812), (2, 10526406), (3, 7017604), (4, 5263203), (6, 3508802), (11, 1913892), (12, 1754401), (22, 956946), (33, 637964), (44, 478473), (66, 318982), (132, 159491)]