21690942

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39727}}^1$

素因数の和:39752

約数の個数: 32

約数和(自身を含む): 53394432

約数和(自身を除く): 31703490

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 39727, 79454, 119181, 238362, 278089, 516451, 556178, 834267, 1032902, 1549353, 1668534, 3098706, 3615157, 7230314, 10845471, 21690942]

約数ペア:

[(1, 21690942), (2, 10845471), (3, 7230314), (6, 3615157), (7, 3098706), (13, 1668534), (14, 1549353), (21, 1032902), (26, 834267), (39, 556178), (42, 516451), (78, 278089), (91, 238362), (182, 119181), (273, 79454), (546, 39727)]