21782988

素因数分解:

$2^2\times 3^2\times {\mathrm{181}}^1\times {\mathrm{3343}}^1$

素因数の和:3534

約数の個数: 36

約数和(自身を含む): 55383328

約数和(自身を除く): 33600340

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 181, 362, 543, 724, 1086, 1629, 2172, 3258, 3343, 6516, 6686, 10029, 13372, 20058, 30087, 40116, 60174, 120348, 605083, 1210166, 1815249, 2420332, 3630498, 5445747, 7260996, 10891494, 21782988]

約数ペア:

[(1, 21782988), (2, 10891494), (3, 7260996), (4, 5445747), (6, 3630498), (9, 2420332), (12, 1815249), (18, 1210166), (36, 605083), (181, 120348), (362, 60174), (543, 40116), (724, 30087), (1086, 20058), (1629, 13372), (2172, 10029), (3258, 6686), (3343, 6516)]