20211888904

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{58755491}}^1$

素因数の和:58755540

約数の個数: 16

約数和(自身を含む): 38778624720

約数和(自身を除く): 18566735816

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 58755491, 117510982, 235021964, 470043928, 2526486113, 5052972226, 10105944452, 20211888904]

約数ペア:

[(1, 20211888904), (2, 10105944452), (4, 5052972226), (8, 2526486113), (43, 470043928), (86, 235021964), (172, 117510982), (344, 58755491)]