21422852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{13159}}^1$

素因数の和:13211

約数の個数: 24

約数和(自身を含む): 42006720

約数和(自身を除く): 20583868

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 13159, 26318, 52636, 144749, 289498, 486883, 578996, 973766, 1947532, 5355713, 10711426, 21422852]

約数ペア:

[(1, 21422852), (2, 10711426), (4, 5355713), (11, 1947532), (22, 973766), (37, 578996), (44, 486883), (74, 289498), (148, 144749), (407, 52636), (814, 26318), (1628, 13159)]