21134540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{150961}}^1$

素因数の和:150977

約数の個数: 24

約数和(自身を含む): 50723232

約数和(自身を除く): 29588692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 150961, 301922, 603844, 754805, 1056727, 1509610, 2113454, 3019220, 4226908, 5283635, 10567270, 21134540]

約数ペア:

[(1, 21134540), (2, 10567270), (4, 5283635), (5, 4226908), (7, 3019220), (10, 2113454), (14, 1509610), (20, 1056727), (28, 754805), (35, 603844), (70, 301922), (140, 150961)]