21634179

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{919}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 35328000

約数和(自身を除く): 13693821

約数列:

[1, 3, 7, 19, 21, 57, 59, 133, 177, 399, 413, 919, 1121, 1239, 2757, 3363, 6433, 7847, 17461, 19299, 23541, 52383, 54221, 122227, 162663, 366681, 379547, 1030199, 1138641, 3090597, 7211393, 21634179]

約数ペア:

[(1, 21634179), (3, 7211393), (7, 3090597), (19, 1138641), (21, 1030199), (57, 379547), (59, 366681), (133, 162663), (177, 122227), (399, 54221), (413, 52383), (919, 23541), (1121, 19299), (1239, 17461), (2757, 7847), (3363, 6433)]