21626618

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{433}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 37403856

約数和(自身を除く): 15777238

約数列:

[1, 2, 13, 17, 26, 34, 113, 221, 226, 433, 442, 866, 1469, 1921, 2938, 3842, 5629, 7361, 11258, 14722, 24973, 48929, 49946, 95693, 97858, 191386, 636077, 831793, 1272154, 1663586, 10813309, 21626618]

約数ペア:

[(1, 21626618), (2, 10813309), (13, 1663586), (17, 1272154), (26, 831793), (34, 636077), (113, 191386), (221, 97858), (226, 95693), (433, 49946), (442, 48929), (866, 24973), (1469, 14722), (1921, 11258), (2938, 7361), (3842, 5629)]