21010052

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8431}}^1$

素因数の和:8531

約数の個数: 24

約数和(自身を含む): 42497280

約数和(自身を除く): 21487228

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 8431, 16862, 33724, 59017, 118034, 236068, 750359, 1500718, 3001436, 5252513, 10505026, 21010052]

約数ペア:

[(1, 21010052), (2, 10505026), (4, 5252513), (7, 3001436), (14, 1500718), (28, 750359), (89, 236068), (178, 118034), (356, 59017), (623, 33724), (1246, 16862), (2492, 8431)]