21867175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{607}}^1$

素因数の和:759

約数の個数: 24

約数和(自身を含む): 29855232

約数和(自身を除く): 7988057

約数列:

[1, 5, 11, 25, 55, 131, 275, 607, 655, 1441, 3035, 3275, 6677, 7205, 15175, 33385, 36025, 79517, 166925, 397585, 874687, 1987925, 4373435, 21867175]

約数ペア:

[(1, 21867175), (5, 4373435), (11, 1987925), (25, 874687), (55, 397585), (131, 166925), (275, 79517), (607, 36025), (655, 33385), (1441, 15175), (3035, 7205), (3275, 6677)]