21151432

素因数分解:

$2^3\times {\mathrm{97}}^2\times {\mathrm{281}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 40214610

約数和(自身を除く): 19063178

約数列:

[1, 2, 4, 8, 97, 194, 281, 388, 562, 776, 1124, 2248, 9409, 18818, 27257, 37636, 54514, 75272, 109028, 218056, 2643929, 5287858, 10575716, 21151432]

約数ペア:

[(1, 21151432), (2, 10575716), (4, 5287858), (8, 2643929), (97, 218056), (194, 109028), (281, 75272), (388, 54514), (562, 37636), (776, 27257), (1124, 18818), (2248, 9409)]