21359988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{45641}}^1$

素因数の和:45664

約数の個数: 36

約数和(自身を含む): 58147908

約数和(自身を除く): 36787920

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 45641, 91282, 136923, 182564, 273846, 410769, 547692, 593333, 821538, 1186666, 1643076, 1779999, 2373332, 3559998, 5339997, 7119996, 10679994, 21359988]

約数ペア:

[(1, 21359988), (2, 10679994), (3, 7119996), (4, 5339997), (6, 3559998), (9, 2373332), (12, 1779999), (13, 1643076), (18, 1186666), (26, 821538), (36, 593333), (39, 547692), (52, 410769), (78, 273846), (117, 182564), (156, 136923), (234, 91282), (468, 45641)]