21801664

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{17929}}^1$

素因数の和:17960

約数の個数: 28

約数和(自身を含む): 45542200

約数和(自身を除く): 23740536

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 17929, 35858, 71716, 143432, 286864, 340651, 573728, 681302, 1147456, 1362604, 2725208, 5450416, 10900832, 21801664]

約数ペア:

[(1, 21801664), (2, 10900832), (4, 5450416), (8, 2725208), (16, 1362604), (19, 1147456), (32, 681302), (38, 573728), (64, 340651), (76, 286864), (152, 143432), (304, 71716), (608, 35858), (1216, 17929)]