21714891

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{587}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 12153909

約数列:

[1, 3, 11, 19, 33, 57, 59, 177, 209, 587, 627, 649, 1121, 1761, 1947, 3363, 6457, 11153, 12331, 19371, 33459, 34633, 36993, 103899, 122683, 368049, 380963, 658027, 1142889, 1974081, 7238297, 21714891]

約数ペア:

[(1, 21714891), (3, 7238297), (11, 1974081), (19, 1142889), (33, 658027), (57, 380963), (59, 368049), (177, 122683), (209, 103899), (587, 36993), (627, 34633), (649, 33459), (1121, 19371), (1761, 12331), (1947, 11153), (3363, 6457)]