21385914

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1873}}^1$

素因数の和:2062

約数の個数: 32

約数和(自身を含む): 46954944

約数和(自身を除く): 25569030

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 173, 346, 519, 1038, 1873, 1903, 3746, 3806, 5619, 5709, 11238, 11418, 20603, 41206, 61809, 123618, 324029, 648058, 972087, 1944174, 3564319, 7128638, 10692957, 21385914]

約数ペア:

[(1, 21385914), (2, 10692957), (3, 7128638), (6, 3564319), (11, 1944174), (22, 972087), (33, 648058), (66, 324029), (173, 123618), (346, 61809), (519, 41206), (1038, 20603), (1873, 11418), (1903, 11238), (3746, 5709), (3806, 5619)]