21983968

素因数分解:

$2^5\times {\mathrm{47}}^2\times {\mathrm{311}}^1$

素因数の和:415

約数の個数: 36

約数和(自身を含む): 44363592

約数和(自身を除く): 22379624

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 188, 311, 376, 622, 752, 1244, 1504, 2209, 2488, 4418, 4976, 8836, 9952, 14617, 17672, 29234, 35344, 58468, 70688, 116936, 233872, 467744, 686999, 1373998, 2747996, 5495992, 10991984, 21983968]

約数ペア:

[(1, 21983968), (2, 10991984), (4, 5495992), (8, 2747996), (16, 1373998), (32, 686999), (47, 467744), (94, 233872), (188, 116936), (311, 70688), (376, 58468), (622, 35344), (752, 29234), (1244, 17672), (1504, 14617), (2209, 9952), (2488, 8836), (4418, 4976)]