21959589020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{712511}}^1$

素因数の和:712610

約数の個数: 48

約数和(自身を含む): 48838422528

約数和(自身を除く): 26878833508

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 67, 92, 115, 134, 230, 268, 335, 460, 670, 1340, 1541, 3082, 6164, 7705, 15410, 30820, 712511, 1425022, 2850044, 3562555, 7125110, 14250220, 16387753, 32775506, 47738237, 65551012, 81938765, 95476474, 163877530, 190952948, 238691185, 327755060, 477382370, 954764740, 1097979451, 2195958902, 4391917804, 5489897255, 10979794510, 21959589020]

約数ペア:

[(1, 21959589020), (2, 10979794510), (4, 5489897255), (5, 4391917804), (10, 2195958902), (20, 1097979451), (23, 954764740), (46, 477382370), (67, 327755060), (92, 238691185), (115, 190952948), (134, 163877530), (230, 95476474), (268, 81938765), (335, 65551012), (460, 47738237), (670, 32775506), (1340, 16387753), (1541, 14250220), (3082, 7125110), (6164, 3562555), (7705, 2850044), (15410, 1425022), (30820, 712511)]