21110778

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{90217}}^1$

素因数の和:90238

約数の個数: 24

約数和(自身を含む): 49259028

約数和(自身を除く): 28148250

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 90217, 180434, 270651, 541302, 811953, 1172821, 1623906, 2345642, 3518463, 7036926, 10555389, 21110778]

約数ペア:

[(1, 21110778), (2, 10555389), (3, 7036926), (6, 3518463), (9, 2345642), (13, 1623906), (18, 1172821), (26, 811953), (39, 541302), (78, 270651), (117, 180434), (234, 90217)]