21846771

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 32348160

約数和(自身を除く): 10501389

約数列:

[1, 3, 9, 71, 179, 191, 213, 537, 573, 639, 1611, 1719, 12709, 13561, 34189, 38127, 40683, 102567, 114381, 122049, 307701, 2427419, 7282257, 21846771]

約数ペア:

[(1, 21846771), (3, 7282257), (9, 2427419), (71, 307701), (179, 122049), (191, 114381), (213, 102567), (537, 40683), (573, 38127), (639, 34189), (1611, 13561), (1719, 12709)]