21363507

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23977}}^1$

素因数の和:24000

約数の個数: 20

約数和(自身を含む): 34816056

約数和(自身を除く): 13452549

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 23977, 71931, 215793, 263747, 647379, 791241, 1942137, 2373723, 7121169, 21363507]

約数ペア:

[(1, 21363507), (3, 7121169), (9, 2373723), (11, 1942137), (27, 791241), (33, 647379), (81, 263747), (99, 215793), (297, 71931), (891, 23977)]