2021350520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{7219109}}^1$

素因数の和:7219127

約数の個数: 32

約数和(自身を含む): 5197759200

約数和(自身を除く): 3176408680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7219109, 14438218, 28876436, 36095545, 50533763, 57752872, 72191090, 101067526, 144382180, 202135052, 252668815, 288764360, 404270104, 505337630, 1010675260, 2021350520]

約数ペア:

[(1, 2021350520), (2, 1010675260), (4, 505337630), (5, 404270104), (7, 288764360), (8, 252668815), (10, 202135052), (14, 144382180), (20, 101067526), (28, 72191090), (35, 57752872), (40, 50533763), (56, 36095545), (70, 28876436), (140, 14438218), (280, 7219109)]