21375647

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{863}}^1$

素因数の和:958

約数の個数: 16

約数和(自身を含む): 23887872

約数和(自身を除く): 2512225

約数列:

[1, 17, 31, 47, 527, 799, 863, 1457, 14671, 24769, 26753, 40561, 454801, 689537, 1257391, 21375647]

約数ペア:

[(1, 21375647), (17, 1257391), (31, 689537), (47, 454801), (527, 40561), (799, 26753), (863, 24769), (1457, 14671)]