21873033

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1571}}^1$

素因数の和:1614

約数の個数: 48

約数和(自身を含む): 41198976

約数和(自身を除く): 19325943

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1547, 1571, 1989, 4641, 4713, 10997, 13923, 14139, 20423, 26707, 32991, 61269, 80121, 98973, 142961, 183807, 186949, 240363, 347191, 428883, 560847, 1041573, 1286649, 1682541, 2430337, 3124719, 7291011, 21873033]

約数ペア:

[(1, 21873033), (3, 7291011), (7, 3124719), (9, 2430337), (13, 1682541), (17, 1286649), (21, 1041573), (39, 560847), (51, 428883), (63, 347191), (91, 240363), (117, 186949), (119, 183807), (153, 142961), (221, 98973), (273, 80121), (357, 61269), (663, 32991), (819, 26707), (1071, 20423), (1547, 14139), (1571, 13923), (1989, 10997), (4641, 4713)]