21001851

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10559}}^1$

素因数の和:10595

約数の個数: 24

約数和(自身を含む): 34594560

約数和(自身を除く): 13592709

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 10559, 31677, 95031, 137267, 179503, 411801, 538509, 1235403, 1615527, 2333539, 7000617, 21001851]

約数ペア:

[(1, 21001851), (3, 7000617), (9, 2333539), (13, 1615527), (17, 1235403), (39, 538509), (51, 411801), (117, 179503), (153, 137267), (221, 95031), (663, 31677), (1989, 10559)]