21979432797

素因数分解:

$3^1\times 7^3\times {\mathrm{293}}^1\times {\mathrm{72901}}^1$

素因数の和:73218

約数の個数: 32

約数和(自身を含む): 34293100800

約数和(自身を除く): 12313668003

約数列:

[1, 3, 7, 21, 49, 147, 293, 343, 879, 1029, 2051, 6153, 14357, 43071, 72901, 100499, 218703, 301497, 510307, 1530921, 3572149, 10716447, 21359993, 25005043, 64079979, 75015129, 149519951, 448559853, 1046639657, 3139918971, 7326477599, 21979432797]

約数ペア:

[(1, 21979432797), (3, 7326477599), (7, 3139918971), (21, 1046639657), (49, 448559853), (147, 149519951), (293, 75015129), (343, 64079979), (879, 25005043), (1029, 21359993), (2051, 10716447), (6153, 3572149), (14357, 1530921), (43071, 510307), (72901, 301497), (100499, 218703)]