21144972

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{13451}}^1$

素因数の和:13589

約数の個数: 24

約数和(自身を含む): 49718592

約数和(自身を除く): 28573620

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 13451, 26902, 40353, 53804, 80706, 161412, 1762081, 3524162, 5286243, 7048324, 10572486, 21144972]

約数ペア:

[(1, 21144972), (2, 10572486), (3, 7048324), (4, 5286243), (6, 3524162), (12, 1762081), (131, 161412), (262, 80706), (393, 53804), (524, 40353), (786, 26902), (1572, 13451)]