21633237

素因数分解:

$3^4\times {\mathrm{409}}^1\times {\mathrm{653}}^1$

素因数の和:1074

約数の個数: 20

約数和(自身を含む): 32444940

約数和(自身を除く): 10811703

約数列:

[1, 3, 9, 27, 81, 409, 653, 1227, 1959, 3681, 5877, 11043, 17631, 33129, 52893, 267077, 801231, 2403693, 7211079, 21633237]

約数ペア:

[(1, 21633237), (3, 7211079), (9, 2403693), (27, 801231), (81, 267077), (409, 52893), (653, 33129), (1227, 17631), (1959, 11043), (3681, 5877)]