21197164

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{7603}}^1$

素因数の和:7665

約数の個数: 24

約数和(自身を含む): 40240368

約数和(自身を除く): 19043204

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 697, 1394, 2788, 7603, 15206, 30412, 129251, 258502, 311723, 517004, 623446, 1246892, 5299291, 10598582, 21197164]

約数ペア:

[(1, 21197164), (2, 10598582), (4, 5299291), (17, 1246892), (34, 623446), (41, 517004), (68, 311723), (82, 258502), (164, 129251), (697, 30412), (1394, 15206), (2788, 7603)]