21290147259

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{368833}}^1$

素因数の和:369178

約数の個数: 16

約数和(自身を含む): 28892980224

約数和(自身を除く): 7602832965

約数列:

[1, 3, 71, 213, 271, 813, 19241, 57723, 368833, 1106499, 26187143, 78561429, 99953743, 299861229, 7096715753, 21290147259]

約数ペア:

[(1, 21290147259), (3, 7096715753), (71, 299861229), (213, 99953743), (271, 78561429), (813, 26187143), (19241, 1106499), (57723, 368833)]