21647007765

素因数分解:

$3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1453307}}^1$

素因数の和:1453649

約数の個数: 24

約数和(自身を含む): 37634863968

約数和(自身を除く): 15987856203

約数列:

[1, 3, 5, 9, 15, 45, 331, 993, 1655, 2979, 4965, 14895, 1453307, 4359921, 7266535, 13079763, 21799605, 65398815, 481044617, 1443133851, 2405223085, 4329401553, 7215669255, 21647007765]

約数ペア:

[(1, 21647007765), (3, 7215669255), (5, 4329401553), (9, 2405223085), (15, 1443133851), (45, 481044617), (331, 65398815), (993, 21799605), (1655, 13079763), (2979, 7266535), (4965, 4359921), (14895, 1453307)]