21143760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8009}}^1$

素因数の和:8036

約数の個数: 80

約数和(自身を含む): 71513280

約数和(自身を除く): 50369520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 8009, 16018, 24027, 32036, 40045, 48054, 64072, 80090, 88099, 96108, 120135, 128144, 160180, 176198, 192216, 240270, 264297, 320360, 352396, 384432, 440495, 480540, 528594, 640720, 704792, 880990, 961080, 1057188, 1321485, 1409584, 1761980, 1922160, 2114376, 2642970, 3523960, 4228752, 5285940, 7047920, 10571880, 21143760]

約数ペア:

[(1, 21143760), (2, 10571880), (3, 7047920), (4, 5285940), (5, 4228752), (6, 3523960), (8, 2642970), (10, 2114376), (11, 1922160), (12, 1761980), (15, 1409584), (16, 1321485), (20, 1057188), (22, 961080), (24, 880990), (30, 704792), (33, 640720), (40, 528594), (44, 480540), (48, 440495), (55, 384432), (60, 352396), (66, 320360), (80, 264297), (88, 240270), (110, 192216), (120, 176198), (132, 160180), (165, 128144), (176, 120135), (220, 96108), (240, 88099), (264, 80090), (330, 64072), (440, 48054), (528, 40045), (660, 32036), (880, 24027), (1320, 16018), (2640, 8009)]