21042216

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22481}}^1$

素因数の和:22506

約数の個数: 48

約数和(自身を含む): 61375860

約数和(自身を除く): 40333644

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22481, 44962, 67443, 89924, 134886, 179848, 202329, 269772, 292253, 404658, 539544, 584506, 809316, 876759, 1169012, 1618632, 1753518, 2338024, 2630277, 3507036, 5260554, 7014072, 10521108, 21042216]

約数ペア:

[(1, 21042216), (2, 10521108), (3, 7014072), (4, 5260554), (6, 3507036), (8, 2630277), (9, 2338024), (12, 1753518), (13, 1618632), (18, 1169012), (24, 876759), (26, 809316), (36, 584506), (39, 539544), (52, 404658), (72, 292253), (78, 269772), (104, 202329), (117, 179848), (156, 134886), (234, 89924), (312, 67443), (468, 44962), (936, 22481)]