21267267

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 33736704

約数和(自身を除く): 12469437

約数列:

[1, 3, 7, 21, 37, 101, 111, 259, 271, 303, 707, 777, 813, 1897, 2121, 3737, 5691, 10027, 11211, 26159, 27371, 30081, 70189, 78477, 82113, 191597, 210567, 574791, 1012727, 3038181, 7089089, 21267267]

約数ペア:

[(1, 21267267), (3, 7089089), (7, 3038181), (21, 1012727), (37, 574791), (101, 210567), (111, 191597), (259, 82113), (271, 78477), (303, 70189), (707, 30081), (777, 27371), (813, 26159), (1897, 11211), (2121, 10027), (3737, 5691)]