21378060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 192

約数和(自身を含む): 74995200

約数和(自身を除く): 53617140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 59, 60, 61, 66, 90, 99, 108, 110, 118, 122, 132, 135, 165, 177, 180, 183, 198, 220, 236, 244, 270, 295, 297, 305, 330, 354, 366, 396, 495, 531, 540, 549, 590, 594, 610, 649, 660, 671, 708, 732, 885, 915, 990, 1062, 1098, 1180, 1188, 1220, 1298, 1342, 1485, 1593, 1647, 1770, 1830, 1947, 1980, 2013, 2124, 2196, 2596, 2655, 2684, 2745, 2970, 3186, 3245, 3294, 3355, 3540, 3599, 3660, 3894, 4026, 5310, 5490, 5841, 5940, 6039, 6372, 6490, 6588, 6710, 7198, 7788, 7965, 8052, 8235, 9735, 10065, 10620, 10797, 10980, 11682, 12078, 12980, 13420, 14396, 15930, 16470, 17523, 17995, 18117, 19470, 20130, 21594, 23364, 24156, 29205, 30195, 31860, 32391, 32940, 35046, 35990, 36234, 38940, 39589, 40260, 43188, 53985, 58410, 60390, 64782, 70092, 71980, 72468, 79178, 87615, 90585, 97173, 107970, 116820, 118767, 120780, 129564, 158356, 161955, 175230, 181170, 194346, 197945, 215940, 237534, 323910, 350460, 356301, 362340, 388692, 395890, 475068, 485865, 593835, 647820, 712602, 791780, 971730, 1068903, 1187670, 1425204, 1781505, 1943460, 2137806, 2375340, 3563010, 4275612, 5344515, 7126020, 10689030, 21378060]

約数ペア:

[(1, 21378060), (2, 10689030), (3, 7126020), (4, 5344515), (5, 4275612), (6, 3563010), (9, 2375340), (10, 2137806), (11, 1943460), (12, 1781505), (15, 1425204), (18, 1187670), (20, 1068903), (22, 971730), (27, 791780), (30, 712602), (33, 647820), (36, 593835), (44, 485865), (45, 475068), (54, 395890), (55, 388692), (59, 362340), (60, 356301), (61, 350460), (66, 323910), (90, 237534), (99, 215940), (108, 197945), (110, 194346), (118, 181170), (122, 175230), (132, 161955), (135, 158356), (165, 129564), (177, 120780), (180, 118767), (183, 116820), (198, 107970), (220, 97173), (236, 90585), (244, 87615), (270, 79178), (295, 72468), (297, 71980), (305, 70092), (330, 64782), (354, 60390), (366, 58410), (396, 53985), (495, 43188), (531, 40260), (540, 39589), (549, 38940), (590, 36234), (594, 35990), (610, 35046), (649, 32940), (660, 32391), (671, 31860), (708, 30195), (732, 29205), (885, 24156), (915, 23364), (990, 21594), (1062, 20130), (1098, 19470), (1180, 18117), (1188, 17995), (1220, 17523), (1298, 16470), (1342, 15930), (1485, 14396), (1593, 13420), (1647, 12980), (1770, 12078), (1830, 11682), (1947, 10980), (1980, 10797), (2013, 10620), (2124, 10065), (2196, 9735), (2596, 8235), (2655, 8052), (2684, 7965), (2745, 7788), (2970, 7198), (3186, 6710), (3245, 6588), (3294, 6490), (3355, 6372), (3540, 6039), (3599, 5940), (3660, 5841), (3894, 5490), (4026, 5310)]