21946473

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{751}}^1$

素因数の和:965

約数の個数: 24

約数和(自身を含む): 33785856

約数和(自身を除く): 11839383

約数列:

[1, 3, 9, 17, 51, 153, 191, 573, 751, 1719, 2253, 3247, 6759, 9741, 12767, 29223, 38301, 114903, 143441, 430323, 1290969, 2438497, 7315491, 21946473]

約数ペア:

[(1, 21946473), (3, 7315491), (9, 2438497), (17, 1290969), (51, 430323), (153, 143441), (191, 114903), (573, 38301), (751, 29223), (1719, 12767), (2253, 9741), (3247, 6759)]