21603351

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2281}}^1$

素因数の和:2343

約数の個数: 32

約数和(自身を含む): 36804096

約数和(自身を除く): 15200745

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 231, 287, 451, 861, 1353, 2281, 3157, 6843, 9471, 15967, 25091, 47901, 75273, 93521, 175637, 280563, 526911, 654647, 1028731, 1963941, 3086193, 7201117, 21603351]

約数ペア:

[(1, 21603351), (3, 7201117), (7, 3086193), (11, 1963941), (21, 1028731), (33, 654647), (41, 526911), (77, 280563), (123, 175637), (231, 93521), (287, 75273), (451, 47901), (861, 25091), (1353, 15967), (2281, 9471), (3157, 6843)]