21092409

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4397}}^1$

素因数の和:4457

約数の個数: 24

約数和(自身を含む): 33618312

約数和(自身を除く): 12525903

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 533, 1599, 4397, 4797, 13191, 39573, 57161, 171483, 180277, 514449, 540831, 1622493, 2343601, 7030803, 21092409]

約数ペア:

[(1, 21092409), (3, 7030803), (9, 2343601), (13, 1622493), (39, 540831), (41, 514449), (117, 180277), (123, 171483), (369, 57161), (533, 39573), (1599, 13191), (4397, 4797)]