21099636

素因数分解:

$2^2\times 3^3\times {\mathrm{79}}^1\times {\mathrm{2473}}^1$

素因数の和:2565

約数の個数: 48

約数和(自身を含む): 55417600

約数和(自身を除く): 34317964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 108, 158, 237, 316, 474, 711, 948, 1422, 2133, 2473, 2844, 4266, 4946, 7419, 8532, 9892, 14838, 22257, 29676, 44514, 66771, 89028, 133542, 195367, 267084, 390734, 586101, 781468, 1172202, 1758303, 2344404, 3516606, 5274909, 7033212, 10549818, 21099636]

約数ペア:

[(1, 21099636), (2, 10549818), (3, 7033212), (4, 5274909), (6, 3516606), (9, 2344404), (12, 1758303), (18, 1172202), (27, 781468), (36, 586101), (54, 390734), (79, 267084), (108, 195367), (158, 133542), (237, 89028), (316, 66771), (474, 44514), (711, 29676), (948, 22257), (1422, 14838), (2133, 9892), (2473, 8532), (2844, 7419), (4266, 4946)]