21032349

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31723}}^1$

素因数の和:31756

約数の個数: 16

約数和(自身を含む): 31977792

約数和(自身を除く): 10945443

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 31723, 95169, 412399, 539291, 1237197, 1617873, 7010783, 21032349]

約数ペア:

[(1, 21032349), (3, 7010783), (13, 1617873), (17, 1237197), (39, 539291), (51, 412399), (221, 95169), (663, 31723)]