1521103990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{21730057}}^1$

素因数の和:21730071

約数の個数: 16

約数和(自身を含む): 3129128352

約数和(自身を除く): 1608024362

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 21730057, 43460114, 108650285, 152110399, 217300570, 304220798, 760551995, 1521103990]

約数ペア:

[(1, 1521103990), (2, 760551995), (5, 304220798), (7, 217300570), (10, 152110399), (14, 108650285), (35, 43460114), (70, 21730057)]