21264156

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{5419}}^1$

素因数の和:5538

約数の個数: 36

約数和(自身を含む): 54254200

約数和(自身を除く): 32990044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 654, 981, 1308, 1962, 3924, 5419, 10838, 16257, 21676, 32514, 48771, 65028, 97542, 195084, 590671, 1181342, 1772013, 2362684, 3544026, 5316039, 7088052, 10632078, 21264156]

約数ペア:

[(1, 21264156), (2, 10632078), (3, 7088052), (4, 5316039), (6, 3544026), (9, 2362684), (12, 1772013), (18, 1181342), (36, 590671), (109, 195084), (218, 97542), (327, 65028), (436, 48771), (654, 32514), (981, 21676), (1308, 16257), (1962, 10838), (3924, 5419)]