21461368

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{1109}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 41958000

約数和(自身を除く): 20496632

約数列:

[1, 2, 4, 8, 41, 59, 82, 118, 164, 236, 328, 472, 1109, 2218, 2419, 4436, 4838, 8872, 9676, 19352, 45469, 65431, 90938, 130862, 181876, 261724, 363752, 523448, 2682671, 5365342, 10730684, 21461368]

約数ペア:

[(1, 21461368), (2, 10730684), (4, 5365342), (8, 2682671), (41, 523448), (59, 363752), (82, 261724), (118, 181876), (164, 130862), (236, 90938), (328, 65431), (472, 45469), (1109, 19352), (2218, 9676), (2419, 8872), (4436, 4838)]