21231405

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36293}}^1$

素因数の和:36317

約数の個数: 24

約数和(自身を含む): 39633048

約数和(自身を除く): 18401643

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 36293, 108879, 181465, 326637, 471809, 544395, 1415427, 1633185, 2359045, 4246281, 7077135, 21231405]

約数ペア:

[(1, 21231405), (3, 7077135), (5, 4246281), (9, 2359045), (13, 1633185), (15, 1415427), (39, 544395), (45, 471809), (65, 326637), (117, 181465), (195, 108879), (585, 36293)]