21912100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1361}}^1$

素因数の和:1405

約数の個数: 72

約数和(自身を含む): 56746368

約数和(自身を除く): 34834268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 140, 161, 175, 230, 322, 350, 460, 575, 644, 700, 805, 1150, 1361, 1610, 2300, 2722, 3220, 4025, 5444, 6805, 8050, 9527, 13610, 16100, 19054, 27220, 31303, 34025, 38108, 47635, 62606, 68050, 95270, 125212, 136100, 156515, 190540, 219121, 238175, 313030, 438242, 476350, 626060, 782575, 876484, 952700, 1095605, 1565150, 2191210, 3130300, 4382420, 5478025, 10956050, 21912100]

約数ペア:

[(1, 21912100), (2, 10956050), (4, 5478025), (5, 4382420), (7, 3130300), (10, 2191210), (14, 1565150), (20, 1095605), (23, 952700), (25, 876484), (28, 782575), (35, 626060), (46, 476350), (50, 438242), (70, 313030), (92, 238175), (100, 219121), (115, 190540), (140, 156515), (161, 136100), (175, 125212), (230, 95270), (322, 68050), (350, 62606), (460, 47635), (575, 38108), (644, 34025), (700, 31303), (805, 27220), (1150, 19054), (1361, 16100), (1610, 13610), (2300, 9527), (2722, 8050), (3220, 6805), (4025, 5444)]