21285537009

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{5330713}}^1$

素因数の和:5330749

約数の個数: 16

約数和(自身を含む): 31216661184

約数和(自身を除く): 9931124175

約数列:

[1, 3, 11, 33, 121, 363, 1331, 3993, 5330713, 15992139, 58637843, 175913529, 645016273, 1935048819, 7095179003, 21285537009]

約数ペア:

[(1, 21285537009), (3, 7095179003), (11, 1935048819), (33, 645016273), (121, 175913529), (363, 58637843), (1331, 15992139), (3993, 5330713)]