21894787980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9356747}}^1$

素因数の和:9356775

約数の個数: 72

約数和(自身を含む): 71522981712

約数和(自身を除く): 49628193732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 9356747, 18713494, 28070241, 37426988, 46783735, 56140482, 84210723, 93567470, 112280964, 121637711, 140351205, 168421446, 187134940, 243275422, 280702410, 336842892, 364913133, 421053615, 486550844, 561404820, 608188555, 729826266, 842107230, 1094739399, 1216377110, 1459652532, 1684214460, 1824565665, 2189478798, 2432754220, 3649131330, 4378957596, 5473696995, 7298262660, 10947393990, 21894787980]

約数ペア:

[(1, 21894787980), (2, 10947393990), (3, 7298262660), (4, 5473696995), (5, 4378957596), (6, 3649131330), (9, 2432754220), (10, 2189478798), (12, 1824565665), (13, 1684214460), (15, 1459652532), (18, 1216377110), (20, 1094739399), (26, 842107230), (30, 729826266), (36, 608188555), (39, 561404820), (45, 486550844), (52, 421053615), (60, 364913133), (65, 336842892), (78, 280702410), (90, 243275422), (117, 187134940), (130, 168421446), (156, 140351205), (180, 121637711), (195, 112280964), (234, 93567470), (260, 84210723), (390, 56140482), (468, 46783735), (585, 37426988), (780, 28070241), (1170, 18713494), (2340, 9356747)]