21252099

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 11407101

約数列:

[1, 3, 11, 29, 33, 53, 87, 159, 319, 419, 583, 957, 1257, 1537, 1749, 4609, 4611, 12151, 13827, 16907, 22207, 36453, 50721, 66621, 133661, 244277, 400983, 644003, 732831, 1932009, 7084033, 21252099]

約数ペア:

[(1, 21252099), (3, 7084033), (11, 1932009), (29, 732831), (33, 644003), (53, 400983), (87, 244277), (159, 133661), (319, 66621), (419, 50721), (583, 36453), (957, 22207), (1257, 16907), (1537, 13827), (1749, 12151), (4609, 4611)]