21836256507

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{13399}}^1\times {\mathrm{4643}}^1$

素因数の和:18064

約数の個数: 32

約数和(自身を含む): 34848576000

約数和(自身を除く): 13012319493

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 4643, 13399, 13929, 40197, 41787, 60359, 120591, 125361, 174187, 181077, 361773, 522561, 543231, 1567683, 1629693, 4703049, 62211557, 186634671, 559904013, 808750241, 1679712039, 2426250723, 7278752169, 21836256507]

約数ペア:

[(1, 21836256507), (3, 7278752169), (9, 2426250723), (13, 1679712039), (27, 808750241), (39, 559904013), (117, 186634671), (351, 62211557), (4643, 4703049), (13399, 1629693), (13929, 1567683), (40197, 543231), (41787, 522561), (60359, 361773), (120591, 181077), (125361, 174187)]