21961913015

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{325627}}^1$

素因数の和:325727

約数の個数: 32

約数和(自身を含む): 31510370304

約数和(自身を除く): 9548457289

約数列:

[1, 5, 7, 35, 41, 47, 205, 235, 287, 329, 1435, 1645, 1927, 9635, 13489, 67445, 325627, 1628135, 2279389, 11396945, 13350707, 15304469, 66753535, 76522345, 93454949, 107131283, 467274745, 535656415, 627483229, 3137416145, 4392382603, 21961913015]

約数ペア:

[(1, 21961913015), (5, 4392382603), (7, 3137416145), (35, 627483229), (41, 535656415), (47, 467274745), (205, 107131283), (235, 93454949), (287, 76522345), (329, 66753535), (1435, 15304469), (1645, 13350707), (1927, 11396945), (9635, 2279389), (13489, 1628135), (67445, 325627)]