21258674640

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{1405997}}^1$

素因数の和:1406026

約数の個数: 160

約数和(自身を含む): 83685000960

約数和(自身を除く): 62426326320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 1405997, 2811994, 4217991, 5623988, 7029985, 8435982, 9841979, 11247976, 12653973, 14059970, 16871964, 19683958, 21089955, 22495952, 25307946, 28119940, 29525937, 33743928, 37961919, 39367916, 42179910, 49209895, 50615892, 56239880, 59051874, 63269865, 67487856, 75923838, 78735832, 84359820, 88577811, 98419790, 101231784, 112479760, 118103748, 126539730, 147629685, 151847676, 157471664, 168719640, 177155622, 189809595, 196839580, 202463568, 236207496, 253079460, 265733433, 295259370, 303695352, 337439280, 354311244, 379619190, 393679160, 442889055, 472414992, 506158920, 531466866, 590518740, 607390704, 708622488, 759238380, 787358320, 885778110, 1012317840, 1062933732, 1181037480, 1328667165, 1417244976, 1518476760, 1771556220, 2125867464, 2362074960, 2657334330, 3036953520, 3543112440, 4251734928, 5314668660, 7086224880, 10629337320, 21258674640]

約数ペア:

[(1, 21258674640), (2, 10629337320), (3, 7086224880), (4, 5314668660), (5, 4251734928), (6, 3543112440), (7, 3036953520), (8, 2657334330), (9, 2362074960), (10, 2125867464), (12, 1771556220), (14, 1518476760), (15, 1417244976), (16, 1328667165), (18, 1181037480), (20, 1062933732), (21, 1012317840), (24, 885778110), (27, 787358320), (28, 759238380), (30, 708622488), (35, 607390704), (36, 590518740), (40, 531466866), (42, 506158920), (45, 472414992), (48, 442889055), (54, 393679160), (56, 379619190), (60, 354311244), (63, 337439280), (70, 303695352), (72, 295259370), (80, 265733433), (84, 253079460), (90, 236207496), (105, 202463568), (108, 196839580), (112, 189809595), (120, 177155622), (126, 168719640), (135, 157471664), (140, 151847676), (144, 147629685), (168, 126539730), (180, 118103748), (189, 112479760), (210, 101231784), (216, 98419790), (240, 88577811), (252, 84359820), (270, 78735832), (280, 75923838), (315, 67487856), (336, 63269865), (360, 59051874), (378, 56239880), (420, 50615892), (432, 49209895), (504, 42179910), (540, 39367916), (560, 37961919), (630, 33743928), (720, 29525937), (756, 28119940), (840, 25307946), (945, 22495952), (1008, 21089955), (1080, 19683958), (1260, 16871964), (1512, 14059970), (1680, 12653973), (1890, 11247976), (2160, 9841979), (2520, 8435982), (3024, 7029985), (3780, 5623988), (5040, 4217991), (7560, 2811994), (15120, 1405997)]