21987136

素因数分解:

$2^6\times {\mathrm{503}}^1\times {\mathrm{683}}^1$

素因数の和:1198

約数の個数: 28

約数和(自身を含む): 43781472

約数和(自身を除く): 21794336

約数列:

[1, 2, 4, 8, 16, 32, 64, 503, 683, 1006, 1366, 2012, 2732, 4024, 5464, 8048, 10928, 16096, 21856, 32192, 43712, 343549, 687098, 1374196, 2748392, 5496784, 10993568, 21987136]

約数ペア:

[(1, 21987136), (2, 10993568), (4, 5496784), (8, 2748392), (16, 1374196), (32, 687098), (64, 343549), (503, 43712), (683, 32192), (1006, 21856), (1366, 16096), (2012, 10928), (2732, 8048), (4024, 5464)]