21037231067

素因数分解:

${\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{853}}^1\times {\mathrm{16927}}^1$

素因数の和:17858

約数の個数: 16

約数和(自身を含む): 22205202432

約数和(自身を除く): 1167971365

約数列:

[1, 31, 47, 853, 1457, 16927, 26443, 40091, 524737, 795569, 1242821, 14438731, 24662639, 447600661, 678620357, 21037231067]

約数ペア:

[(1, 21037231067), (31, 678620357), (47, 447600661), (853, 24662639), (1457, 14438731), (16927, 1242821), (26443, 795569), (40091, 524737)]