21444478706

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1966301}}^1$

素因数の和:1966370

約数の個数: 32

約数和(自身を含む): 39640648320

約数和(自身を除く): 18196169614

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 133, 266, 287, 574, 779, 1558, 5453, 10906, 1966301, 3932602, 13764107, 27528214, 37359719, 74719438, 80618341, 161236682, 261518033, 523036066, 564328387, 1128656774, 1531748479, 3063496958, 10722239353, 21444478706]

約数ペア:

[(1, 21444478706), (2, 10722239353), (7, 3063496958), (14, 1531748479), (19, 1128656774), (38, 564328387), (41, 523036066), (82, 261518033), (133, 161236682), (266, 80618341), (287, 74719438), (574, 37359719), (779, 27528214), (1558, 13764107), (5453, 3932602), (10906, 1966301)]