21747512

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{653}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 42850080

約数和(自身を除く): 21102568

約数列:

[1, 2, 4, 8, 23, 46, 92, 181, 184, 362, 653, 724, 1306, 1448, 2612, 4163, 5224, 8326, 15019, 16652, 30038, 33304, 60076, 118193, 120152, 236386, 472772, 945544, 2718439, 5436878, 10873756, 21747512]

約数ペア:

[(1, 21747512), (2, 10873756), (4, 5436878), (8, 2718439), (23, 945544), (46, 472772), (92, 236386), (181, 120152), (184, 118193), (362, 60076), (653, 33304), (724, 30038), (1306, 16652), (1448, 15019), (2612, 8326), (4163, 5224)]