21844119

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 33251328

約数和(自身を除く): 11407209

約数列:

[1, 3, 11, 31, 33, 93, 131, 163, 341, 393, 489, 1023, 1441, 1793, 4061, 4323, 5053, 5379, 12183, 15159, 21353, 44671, 55583, 64059, 134013, 166749, 234883, 661943, 704649, 1985829, 7281373, 21844119]

約数ペア:

[(1, 21844119), (3, 7281373), (11, 1985829), (31, 704649), (33, 661943), (93, 234883), (131, 166749), (163, 134013), (341, 64059), (393, 55583), (489, 44671), (1023, 21353), (1441, 15159), (1793, 12183), (4061, 5379), (4323, 5053)]