21891567282

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{929}}^1\times {\mathrm{302111}}^1$

素因数の和:303058

約数の個数: 32

約数和(自身を含む): 47201978880

約数和(自身を除く): 25310411598

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 929, 1858, 2787, 5574, 12077, 24154, 36231, 72462, 302111, 604222, 906333, 1812666, 3927443, 7854886, 11782329, 23564658, 280661119, 561322238, 841983357, 1683966714, 3648594547, 7297189094, 10945783641, 21891567282]

約数ペア:

[(1, 21891567282), (2, 10945783641), (3, 7297189094), (6, 3648594547), (13, 1683966714), (26, 841983357), (39, 561322238), (78, 280661119), (929, 23564658), (1858, 11782329), (2787, 7854886), (5574, 3927443), (12077, 1812666), (24154, 906333), (36231, 604222), (72462, 302111)]