21343264

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{617}}^1$

素因数の和:697

約数の個数: 48

約数和(自身を含む): 44851968

約数和(自身を除く): 23508704

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 47, 92, 94, 184, 188, 368, 376, 617, 736, 752, 1081, 1234, 1504, 2162, 2468, 4324, 4936, 8648, 9872, 14191, 17296, 19744, 28382, 28999, 34592, 56764, 57998, 113528, 115996, 227056, 231992, 454112, 463984, 666977, 927968, 1333954, 2667908, 5335816, 10671632, 21343264]

約数ペア:

[(1, 21343264), (2, 10671632), (4, 5335816), (8, 2667908), (16, 1333954), (23, 927968), (32, 666977), (46, 463984), (47, 454112), (92, 231992), (94, 227056), (184, 115996), (188, 113528), (368, 57998), (376, 56764), (617, 34592), (736, 28999), (752, 28382), (1081, 19744), (1234, 17296), (1504, 14191), (2162, 9872), (2468, 8648), (4324, 4936)]