21396276

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:853

約数の個数: 72

約数和(自身を含む): 59911488

約数和(自身を除く): 38515212

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 71, 99, 132, 142, 198, 213, 284, 396, 426, 639, 761, 781, 852, 1278, 1522, 1562, 2283, 2343, 2556, 3044, 3124, 4566, 4686, 6849, 7029, 8371, 9132, 9372, 13698, 14058, 16742, 25113, 27396, 28116, 33484, 50226, 54031, 75339, 100452, 108062, 150678, 162093, 216124, 301356, 324186, 486279, 594341, 648372, 972558, 1188682, 1783023, 1945116, 2377364, 3566046, 5349069, 7132092, 10698138, 21396276]

約数ペア:

[(1, 21396276), (2, 10698138), (3, 7132092), (4, 5349069), (6, 3566046), (9, 2377364), (11, 1945116), (12, 1783023), (18, 1188682), (22, 972558), (33, 648372), (36, 594341), (44, 486279), (66, 324186), (71, 301356), (99, 216124), (132, 162093), (142, 150678), (198, 108062), (213, 100452), (284, 75339), (396, 54031), (426, 50226), (639, 33484), (761, 28116), (781, 27396), (852, 25113), (1278, 16742), (1522, 14058), (1562, 13698), (2283, 9372), (2343, 9132), (2556, 8371), (3044, 7029), (3124, 6849), (4566, 4686)]