21262560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4027}}^1$

素因数の和:4056

約数の個数: 96

約数和(自身を含む): 73084032

約数和(自身を除く): 51821472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 264, 330, 352, 440, 480, 528, 660, 880, 1056, 1320, 1760, 2640, 4027, 5280, 8054, 12081, 16108, 20135, 24162, 32216, 40270, 44297, 48324, 60405, 64432, 80540, 88594, 96648, 120810, 128864, 132891, 161080, 177188, 193296, 221485, 241620, 265782, 322160, 354376, 386592, 442970, 483240, 531564, 644320, 664455, 708752, 885940, 966480, 1063128, 1328910, 1417504, 1771880, 1932960, 2126256, 2657820, 3543760, 4252512, 5315640, 7087520, 10631280, 21262560]

約数ペア:

[(1, 21262560), (2, 10631280), (3, 7087520), (4, 5315640), (5, 4252512), (6, 3543760), (8, 2657820), (10, 2126256), (11, 1932960), (12, 1771880), (15, 1417504), (16, 1328910), (20, 1063128), (22, 966480), (24, 885940), (30, 708752), (32, 664455), (33, 644320), (40, 531564), (44, 483240), (48, 442970), (55, 386592), (60, 354376), (66, 322160), (80, 265782), (88, 241620), (96, 221485), (110, 193296), (120, 177188), (132, 161080), (160, 132891), (165, 128864), (176, 120810), (220, 96648), (240, 88594), (264, 80540), (330, 64432), (352, 60405), (440, 48324), (480, 44297), (528, 40270), (660, 32216), (880, 24162), (1056, 20135), (1320, 16108), (1760, 12081), (2640, 8054), (4027, 5280)]