21941104

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:397

約数の個数: 40

約数和(自身を含む): 43925760

約数和(自身を除く): 21984656

約数列:

[1, 2, 4, 8, 16, 47, 94, 163, 179, 188, 326, 358, 376, 652, 716, 752, 1304, 1432, 2608, 2864, 7661, 8413, 15322, 16826, 29177, 30644, 33652, 58354, 61288, 67304, 116708, 122576, 134608, 233416, 466832, 1371319, 2742638, 5485276, 10970552, 21941104]

約数ペア:

[(1, 21941104), (2, 10970552), (4, 5485276), (8, 2742638), (16, 1371319), (47, 466832), (94, 233416), (163, 134608), (179, 122576), (188, 116708), (326, 67304), (358, 61288), (376, 58354), (652, 33652), (716, 30644), (752, 29177), (1304, 16826), (1432, 15322), (2608, 8413), (2864, 7661)]