21036366

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89899}}^1$

素因数の和:89920

約数の個数: 24

約数和(自身を含む): 49085400

約数和(自身を除く): 28049034

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 89899, 179798, 269697, 539394, 809091, 1168687, 1618182, 2337374, 3506061, 7012122, 10518183, 21036366]

約数ペア:

[(1, 21036366), (2, 10518183), (3, 7012122), (6, 3506061), (9, 2337374), (13, 1618182), (18, 1168687), (26, 809091), (39, 539394), (78, 269697), (117, 179798), (234, 89899)]