21611403

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12841}}^1$

素因数の和:12875

約数の個数: 24

約数和(自身を含む): 36060336

約数和(自身を除く): 14448933

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 12841, 38523, 115569, 141251, 218297, 423753, 654891, 1271259, 1964673, 2401267, 7203801, 21611403]

約数ペア:

[(1, 21611403), (3, 7203801), (9, 2401267), (11, 1964673), (17, 1271259), (33, 654891), (51, 423753), (99, 218297), (153, 141251), (187, 115569), (561, 38523), (1683, 12841)]