21915652

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 44960832

約数和(自身を除く): 23045180

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 83, 166, 187, 332, 353, 374, 706, 748, 913, 1411, 1412, 1826, 2822, 3652, 3883, 5644, 6001, 7766, 12002, 15521, 15532, 24004, 29299, 31042, 58598, 62084, 66011, 117196, 132022, 264044, 322289, 498083, 644578, 996166, 1289156, 1992332, 5478913, 10957826, 21915652]

約数ペア:

[(1, 21915652), (2, 10957826), (4, 5478913), (11, 1992332), (17, 1289156), (22, 996166), (34, 644578), (44, 498083), (68, 322289), (83, 264044), (166, 132022), (187, 117196), (332, 66011), (353, 62084), (374, 58598), (706, 31042), (748, 29299), (913, 24004), (1411, 15532), (1412, 15521), (1826, 12002), (2822, 7766), (3652, 6001), (3883, 5644)]