21985670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3529}}^1$

素因数の和:3632

約数の個数: 32

約数和(自身を含む): 45748800

約数和(自身を除く): 23763130

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 3529, 6230, 7058, 17645, 24703, 35290, 49406, 123515, 247030, 314081, 628162, 1570405, 2198567, 3140810, 4397134, 10992835, 21985670]

約数ペア:

[(1, 21985670), (2, 10992835), (5, 4397134), (7, 3140810), (10, 2198567), (14, 1570405), (35, 628162), (70, 314081), (89, 247030), (178, 123515), (445, 49406), (623, 35290), (890, 24703), (1246, 17645), (3115, 7058), (3529, 6230)]