21277336

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{9203}}^1$

素因数の和:9243

約数の個数: 24

約数和(自身を含む): 42384420

約数和(自身を除く): 21107084

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 9203, 18406, 36812, 73624, 156451, 312902, 625804, 1251608, 2659667, 5319334, 10638668, 21277336]

約数ペア:

[(1, 21277336), (2, 10638668), (4, 5319334), (8, 2659667), (17, 1251608), (34, 625804), (68, 312902), (136, 156451), (289, 73624), (578, 36812), (1156, 18406), (2312, 9203)]