21247674840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{2810539}}^1$

素因数の和:2810566

約数の個数: 128

約数和(自身を含む): 80943552000

約数和(自身を除く): 59695877160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 2810539, 5621078, 8431617, 11242156, 14052695, 16863234, 19673773, 22484312, 25294851, 28105390, 33726468, 39347546, 42158085, 50589702, 56210780, 59021319, 67452936, 75884553, 78695092, 84316170, 98368865, 101179404, 112421560, 118042638, 126474255, 151769106, 157390184, 168632340, 177063957, 196737730, 202358808, 236085276, 252948510, 295106595, 303538212, 337264680, 354127914, 379422765, 393475460, 472170552, 505897020, 531191871, 590213190, 607076424, 708255828, 758845530, 786950920, 885319785, 1011794040, 1062383742, 1180426380, 1416511656, 1517691060, 1770639570, 2124767484, 2360852760, 2655959355, 3035382120, 3541279140, 4249534968, 5311918710, 7082558280, 10623837420, 21247674840]

約数ペア:

[(1, 21247674840), (2, 10623837420), (3, 7082558280), (4, 5311918710), (5, 4249534968), (6, 3541279140), (7, 3035382120), (8, 2655959355), (9, 2360852760), (10, 2124767484), (12, 1770639570), (14, 1517691060), (15, 1416511656), (18, 1180426380), (20, 1062383742), (21, 1011794040), (24, 885319785), (27, 786950920), (28, 758845530), (30, 708255828), (35, 607076424), (36, 590213190), (40, 531191871), (42, 505897020), (45, 472170552), (54, 393475460), (56, 379422765), (60, 354127914), (63, 337264680), (70, 303538212), (72, 295106595), (84, 252948510), (90, 236085276), (105, 202358808), (108, 196737730), (120, 177063957), (126, 168632340), (135, 157390184), (140, 151769106), (168, 126474255), (180, 118042638), (189, 112421560), (210, 101179404), (216, 98368865), (252, 84316170), (270, 78695092), (280, 75884553), (315, 67452936), (360, 59021319), (378, 56210780), (420, 50589702), (504, 42158085), (540, 39347546), (630, 33726468), (756, 28105390), (840, 25294851), (945, 22484312), (1080, 19673773), (1260, 16863234), (1512, 14052695), (1890, 11242156), (2520, 8431617), (3780, 5621078), (7560, 2810539)]