21114834

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{643}}^1$

素因数の和:1082

約数の個数: 32

約数和(自身を含む): 45657024

約数和(自身を除く): 24542190

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 421, 643, 842, 1263, 1286, 1929, 2526, 3858, 5473, 8359, 10946, 16419, 16718, 25077, 32838, 50154, 270703, 541406, 812109, 1624218, 3519139, 7038278, 10557417, 21114834]

約数ペア:

[(1, 21114834), (2, 10557417), (3, 7038278), (6, 3519139), (13, 1624218), (26, 812109), (39, 541406), (78, 270703), (421, 50154), (643, 32838), (842, 25077), (1263, 16718), (1286, 16419), (1929, 10946), (2526, 8359), (3858, 5473)]