21973428

素因数分解:

$2^2\times 3^2\times {\mathrm{347}}^1\times {\mathrm{1759}}^1$

素因数の和:2116

約数の個数: 36

約数和(自身を含む): 55735680

約数和(自身を除く): 33762252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 347, 694, 1041, 1388, 1759, 2082, 3123, 3518, 4164, 5277, 6246, 7036, 10554, 12492, 15831, 21108, 31662, 63324, 610373, 1220746, 1831119, 2441492, 3662238, 5493357, 7324476, 10986714, 21973428]

約数ペア:

[(1, 21973428), (2, 10986714), (3, 7324476), (4, 5493357), (6, 3662238), (9, 2441492), (12, 1831119), (18, 1220746), (36, 610373), (347, 63324), (694, 31662), (1041, 21108), (1388, 15831), (1759, 12492), (2082, 10554), (3123, 7036), (3518, 6246), (4164, 5277)]