21441685720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{6763}}^1$

素因数の和:6874

約数の個数: 192

約数和(自身を含む): 60603275520

約数和(自身を除く): 39161589800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 67, 70, 91, 104, 130, 134, 140, 169, 182, 260, 268, 280, 335, 338, 364, 455, 469, 520, 536, 670, 676, 728, 845, 871, 910, 938, 1183, 1340, 1352, 1690, 1742, 1820, 1876, 2345, 2366, 2680, 3380, 3484, 3640, 3752, 4355, 4690, 4732, 5915, 6097, 6760, 6763, 6968, 8710, 9380, 9464, 11323, 11830, 12194, 13526, 17420, 18760, 22646, 23660, 24388, 27052, 30485, 33815, 34840, 45292, 47320, 47341, 48776, 54104, 56615, 60970, 67630, 79261, 87919, 90584, 94682, 113230, 121940, 135260, 158522, 175838, 189364, 226460, 236705, 243880, 270520, 317044, 351676, 378728, 396305, 439595, 452920, 453121, 473410, 615433, 634088, 703352, 792610, 879190, 906242, 946820, 1142947, 1230866, 1585220, 1758380, 1812484, 1893640, 2265605, 2285894, 2461732, 3077165, 3170440, 3171847, 3516760, 3624968, 4531210, 4571788, 4923464, 5714735, 5890573, 6154330, 6343694, 8000629, 9062420, 9143576, 11429470, 11781146, 12308660, 12687388, 15859235, 16001258, 18124840, 22858940, 23562292, 24617320, 25374776, 29452865, 31718470, 32002516, 40003145, 41234011, 45717880, 47124584, 58905730, 63436940, 64005032, 76577449, 80006290, 82468022, 117811460, 126873880, 153154898, 160012580, 164936044, 206170055, 235622920, 306309796, 320025160, 329872088, 382887245, 412340110, 536042143, 612619592, 765774490, 824680220, 1072084286, 1531548980, 1649360440, 2144168572, 2680210715, 3063097960, 4288337144, 5360421430, 10720842860, 21441685720]

約数ペア:

[(1, 21441685720), (2, 10720842860), (4, 5360421430), (5, 4288337144), (7, 3063097960), (8, 2680210715), (10, 2144168572), (13, 1649360440), (14, 1531548980), (20, 1072084286), (26, 824680220), (28, 765774490), (35, 612619592), (40, 536042143), (52, 412340110), (56, 382887245), (65, 329872088), (67, 320025160), (70, 306309796), (91, 235622920), (104, 206170055), (130, 164936044), (134, 160012580), (140, 153154898), (169, 126873880), (182, 117811460), (260, 82468022), (268, 80006290), (280, 76577449), (335, 64005032), (338, 63436940), (364, 58905730), (455, 47124584), (469, 45717880), (520, 41234011), (536, 40003145), (670, 32002516), (676, 31718470), (728, 29452865), (845, 25374776), (871, 24617320), (910, 23562292), (938, 22858940), (1183, 18124840), (1340, 16001258), (1352, 15859235), (1690, 12687388), (1742, 12308660), (1820, 11781146), (1876, 11429470), (2345, 9143576), (2366, 9062420), (2680, 8000629), (3380, 6343694), (3484, 6154330), (3640, 5890573), (3752, 5714735), (4355, 4923464), (4690, 4571788), (4732, 4531210), (5915, 3624968), (6097, 3516760), (6760, 3171847), (6763, 3170440), (6968, 3077165), (8710, 2461732), (9380, 2285894), (9464, 2265605), (11323, 1893640), (11830, 1812484), (12194, 1758380), (13526, 1585220), (17420, 1230866), (18760, 1142947), (22646, 946820), (23660, 906242), (24388, 879190), (27052, 792610), (30485, 703352), (33815, 634088), (34840, 615433), (45292, 473410), (47320, 453121), (47341, 452920), (48776, 439595), (54104, 396305), (56615, 378728), (60970, 351676), (67630, 317044), (79261, 270520), (87919, 243880), (90584, 236705), (94682, 226460), (113230, 189364), (121940, 175838), (135260, 158522)]