21186369

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2347}}^1$

素因数の和:2429

約数の個数: 24

約数和(自身を含む): 32965920

約数和(自身を除く): 11779551

約数列:

[1, 3, 9, 17, 51, 59, 153, 177, 531, 1003, 2347, 3009, 7041, 9027, 21123, 39899, 119697, 138473, 359091, 415419, 1246257, 2354041, 7062123, 21186369]

約数ペア:

[(1, 21186369), (3, 7062123), (9, 2354041), (17, 1246257), (51, 415419), (59, 359091), (153, 138473), (177, 119697), (531, 39899), (1003, 21123), (2347, 9027), (3009, 7041)]