21292942

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^3\times {\mathrm{197}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 37208160

約数和(自身を除く): 15915218

約数列:

[1, 2, 11, 17, 22, 34, 187, 197, 289, 374, 394, 578, 2167, 3179, 3349, 4334, 4913, 6358, 6698, 9826, 36839, 54043, 56933, 73678, 108086, 113866, 626263, 967861, 1252526, 1935722, 10646471, 21292942]

約数ペア:

[(1, 21292942), (2, 10646471), (11, 1935722), (17, 1252526), (22, 967861), (34, 626263), (187, 113866), (197, 108086), (289, 73678), (374, 56933), (394, 54043), (578, 36839), (2167, 9826), (3179, 6698), (3349, 6358), (4334, 4913)]