21000298560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1286783}}^1$

素因数の和:1286820

約数の個数: 112

約数和(自身を含む): 70598117376

約数和(自身を除く): 49597818816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 408, 480, 510, 544, 680, 816, 960, 1020, 1088, 1360, 1632, 2040, 2720, 3264, 4080, 5440, 8160, 16320, 1286783, 2573566, 3860349, 5147132, 6433915, 7720698, 10294264, 12867830, 15441396, 19301745, 20588528, 21875311, 25735660, 30882792, 38603490, 41177056, 43750622, 51471320, 61765584, 65625933, 77206980, 82354112, 87501244, 102942640, 109376555, 123531168, 131251866, 154413960, 175002488, 205885280, 218753110, 247062336, 262503732, 308827920, 328129665, 350004976, 411770560, 437506220, 525007464, 617655840, 656259330, 700009952, 875012440, 1050014928, 1235311680, 1312518660, 1400019904, 1750024880, 2100029856, 2625037320, 3500049760, 4200059712, 5250074640, 7000099520, 10500149280, 21000298560]

約数ペア:

[(1, 21000298560), (2, 10500149280), (3, 7000099520), (4, 5250074640), (5, 4200059712), (6, 3500049760), (8, 2625037320), (10, 2100029856), (12, 1750024880), (15, 1400019904), (16, 1312518660), (17, 1235311680), (20, 1050014928), (24, 875012440), (30, 700009952), (32, 656259330), (34, 617655840), (40, 525007464), (48, 437506220), (51, 411770560), (60, 350004976), (64, 328129665), (68, 308827920), (80, 262503732), (85, 247062336), (96, 218753110), (102, 205885280), (120, 175002488), (136, 154413960), (160, 131251866), (170, 123531168), (192, 109376555), (204, 102942640), (240, 87501244), (255, 82354112), (272, 77206980), (320, 65625933), (340, 61765584), (408, 51471320), (480, 43750622), (510, 41177056), (544, 38603490), (680, 30882792), (816, 25735660), (960, 21875311), (1020, 20588528), (1088, 19301745), (1360, 15441396), (1632, 12867830), (2040, 10294264), (2720, 7720698), (3264, 6433915), (4080, 5147132), (5440, 3860349), (8160, 2573566), (16320, 1286783)]