21216120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7687}}^1$

素因数の和:7724

約数の個数: 64

約数和(自身を含む): 66424320

約数和(自身を除く): 45208200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7687, 15374, 23061, 30748, 38435, 46122, 61496, 76870, 92244, 115305, 153740, 176801, 184488, 230610, 307480, 353602, 461220, 530403, 707204, 884005, 922440, 1060806, 1414408, 1768010, 2121612, 2652015, 3536020, 4243224, 5304030, 7072040, 10608060, 21216120]

約数ペア:

[(1, 21216120), (2, 10608060), (3, 7072040), (4, 5304030), (5, 4243224), (6, 3536020), (8, 2652015), (10, 2121612), (12, 1768010), (15, 1414408), (20, 1060806), (23, 922440), (24, 884005), (30, 707204), (40, 530403), (46, 461220), (60, 353602), (69, 307480), (92, 230610), (115, 184488), (120, 176801), (138, 153740), (184, 115305), (230, 92244), (276, 76870), (345, 61496), (460, 46122), (552, 38435), (690, 30748), (920, 23061), (1380, 15374), (2760, 7687)]