21754927306

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1901987}}^1$

素因数の和:1902058

約数の個数: 32

約数和(自身を含む): 40169986560

約数和(自身を除く): 18415059254

約数列:

[1, 2, 7, 14, 19, 38, 43, 86, 133, 266, 301, 602, 817, 1634, 5719, 11438, 1901987, 3803974, 13313909, 26627818, 36137753, 72275506, 81785441, 163570882, 252964271, 505928542, 572498087, 1144996174, 1553923379, 3107846758, 10877463653, 21754927306]

約数ペア:

[(1, 21754927306), (2, 10877463653), (7, 3107846758), (14, 1553923379), (19, 1144996174), (38, 572498087), (43, 505928542), (86, 252964271), (133, 163570882), (266, 81785441), (301, 72275506), (602, 36137753), (817, 26627818), (1634, 13313909), (5719, 3803974), (11438, 1901987)]