21801996

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{14771}}^1$

素因数の和:14822

約数の個数: 36

約数和(自身を含む): 56458584

約数和(自身を除く): 34656588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 1476, 14771, 29542, 44313, 59084, 88626, 132939, 177252, 265878, 531756, 605611, 1211222, 1816833, 2422444, 3633666, 5450499, 7267332, 10900998, 21801996]

約数ペア:

[(1, 21801996), (2, 10900998), (3, 7267332), (4, 5450499), (6, 3633666), (9, 2422444), (12, 1816833), (18, 1211222), (36, 605611), (41, 531756), (82, 265878), (123, 177252), (164, 132939), (246, 88626), (369, 59084), (492, 44313), (738, 29542), (1476, 14771)]