21248512

素因数分解:

$2^9\times {\mathrm{47}}^1\times {\mathrm{883}}^1$

素因数の和:948

約数の個数: 40

約数和(自身を含む): 43407936

約数和(自身を除く): 22159424

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 256, 376, 512, 752, 883, 1504, 1766, 3008, 3532, 6016, 7064, 12032, 14128, 24064, 28256, 41501, 56512, 83002, 113024, 166004, 226048, 332008, 452096, 664016, 1328032, 2656064, 5312128, 10624256, 21248512]

約数ペア:

[(1, 21248512), (2, 10624256), (4, 5312128), (8, 2656064), (16, 1328032), (32, 664016), (47, 452096), (64, 332008), (94, 226048), (128, 166004), (188, 113024), (256, 83002), (376, 56512), (512, 41501), (752, 28256), (883, 24064), (1504, 14128), (1766, 12032), (3008, 7064), (3532, 6016)]