21279168

素因数分解:

$2^6\times 3^2\times {\mathrm{36943}}^1$

素因数の和:36961

約数の個数: 42

約数和(自身を含む): 60994544

約数和(自身を除く): 39715376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 576, 36943, 73886, 110829, 147772, 221658, 295544, 332487, 443316, 591088, 664974, 886632, 1182176, 1329948, 1773264, 2364352, 2659896, 3546528, 5319792, 7093056, 10639584, 21279168]

約数ペア:

[(1, 21279168), (2, 10639584), (3, 7093056), (4, 5319792), (6, 3546528), (8, 2659896), (9, 2364352), (12, 1773264), (16, 1329948), (18, 1182176), (24, 886632), (32, 664974), (36, 591088), (48, 443316), (64, 332487), (72, 295544), (96, 221658), (144, 147772), (192, 110829), (288, 73886), (576, 36943)]