21073670156

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{68421007}}^1$

素因数の和:68421029

約数の個数: 24

約数和(自身を含む): 45978917376

約数和(自身を除く): 24905247220

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 68421007, 136842014, 273684028, 478947049, 752631077, 957894098, 1505262154, 1915788196, 3010524308, 5268417539, 10536835078, 21073670156]

約数ペア:

[(1, 21073670156), (2, 10536835078), (4, 5268417539), (7, 3010524308), (11, 1915788196), (14, 1505262154), (22, 957894098), (28, 752631077), (44, 478947049), (77, 273684028), (154, 136842014), (308, 68421007)]