21569746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^2$

素因数の和:358

約数の個数: 24

約数和(自身を含む): 36357552

約数和(自身を除く): 14787806

約数列:

[1, 2, 11, 22, 43, 86, 151, 302, 473, 946, 1661, 3322, 6493, 12986, 22801, 45602, 71423, 142846, 250811, 501622, 980443, 1960886, 10784873, 21569746]

約数ペア:

[(1, 21569746), (2, 10784873), (11, 1960886), (22, 980443), (43, 501622), (86, 250811), (151, 142846), (302, 71423), (473, 45602), (946, 22801), (1661, 12986), (3322, 6493)]