21003411

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{283}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 33207552

約数和(自身を除く): 12204141

約数列:

[1, 3, 11, 13, 33, 39, 143, 173, 283, 429, 519, 849, 1903, 2249, 3113, 3679, 5709, 6747, 9339, 11037, 24739, 40469, 48959, 74217, 121407, 146877, 538549, 636467, 1615647, 1909401, 7001137, 21003411]

約数ペア:

[(1, 21003411), (3, 7001137), (11, 1909401), (13, 1615647), (33, 636467), (39, 538549), (143, 146877), (173, 121407), (283, 74217), (429, 48959), (519, 40469), (849, 24739), (1903, 11037), (2249, 9339), (3113, 6747), (3679, 5709)]