21341776

素因数分解:

$2^4\times {\mathrm{829}}^1\times {\mathrm{1609}}^1$

素因数の和:2446

約数の個数: 20

約数和(自身を含む): 41425300

約数和(自身を除く): 20083524

約数列:

[1, 2, 4, 8, 16, 829, 1609, 1658, 3218, 3316, 6436, 6632, 12872, 13264, 25744, 1333861, 2667722, 5335444, 10670888, 21341776]

約数ペア:

[(1, 21341776), (2, 10670888), (4, 5335444), (8, 2667722), (16, 1333861), (829, 25744), (1609, 13264), (1658, 12872), (3218, 6632), (3316, 6436)]