21337360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{24247}}^1$

素因数の和:24271

約数の個数: 40

約数和(自身を含む): 54121536

約数和(自身を除く): 32784176

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 24247, 48494, 96988, 121235, 193976, 242470, 266717, 387952, 484940, 533434, 969880, 1066868, 1333585, 1939760, 2133736, 2667170, 4267472, 5334340, 10668680, 21337360]

約数ペア:

[(1, 21337360), (2, 10668680), (4, 5334340), (5, 4267472), (8, 2667170), (10, 2133736), (11, 1939760), (16, 1333585), (20, 1066868), (22, 969880), (40, 533434), (44, 484940), (55, 387952), (80, 266717), (88, 242470), (110, 193976), (176, 121235), (220, 96988), (440, 48494), (880, 24247)]