21781119354

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{4561}}^1\times {\mathrm{10903}}^1$

素因数の和:15542

約数の個数: 32

約数和(自身を含む): 44172714624

約数和(自身を除く): 22391595270

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 4561, 9122, 10903, 13683, 21806, 27366, 32709, 65418, 332953, 665906, 795919, 998859, 1591838, 1997718, 2387757, 4775514, 49728583, 99457166, 149185749, 298371498, 3630186559, 7260373118, 10890559677, 21781119354]

約数ペア:

[(1, 21781119354), (2, 10890559677), (3, 7260373118), (6, 3630186559), (73, 298371498), (146, 149185749), (219, 99457166), (438, 49728583), (4561, 4775514), (9122, 2387757), (10903, 1997718), (13683, 1591838), (21806, 998859), (27366, 795919), (32709, 665906), (65418, 332953)]