21166440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7669}}^1$

素因数の和:7706

約数の個数: 64

約数和(自身を含む): 66268800

約数和(自身を除く): 45102360

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, 7669, 15338, 23007, 30676, 38345, 46014, 61352, 76690, 92028, 115035, 153380, 176387, 184056, 230070, 306760, 352774, 460140, 529161, 705548, 881935, 920280, 1058322, 1411096, 1763870, 2116644, 2645805, 3527740, 4233288, 5291610, 7055480, 10583220, 21166440]

約数ペア:

[(1, 21166440), (2, 10583220), (3, 7055480), (4, 5291610), (5, 4233288), (6, 3527740), (8, 2645805), (10, 2116644), (12, 1763870), (15, 1411096), (20, 1058322), (23, 920280), (24, 881935), (30, 705548), (40, 529161), (46, 460140), (60, 352774), (69, 306760), (92, 230070), (115, 184056), (120, 176387), (138, 153380), (184, 115035), (230, 92028), (276, 76690), (345, 61352), (460, 46014), (552, 38345), (690, 30676), (920, 23007), (1380, 15338), (2760, 7669)]