21382935

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4967}}^1$

素因数の和:5023

約数の個数: 32

約数和(自身を含む): 40061952

約数和(自身を除く): 18679017

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 4967, 14901, 24835, 34769, 74505, 104307, 173845, 203647, 521535, 610941, 1018235, 1425529, 3054705, 4276587, 7127645, 21382935]

約数ペア:

[(1, 21382935), (3, 7127645), (5, 4276587), (7, 3054705), (15, 1425529), (21, 1018235), (35, 610941), (41, 521535), (105, 203647), (123, 173845), (205, 104307), (287, 74505), (615, 34769), (861, 24835), (1435, 14901), (4305, 4967)]