21257794080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14762357}}^1$

素因数の和:14762378

約数の個数: 72

約数和(自身を含む): 72542227212

約数和(自身を除く): 51284433132

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14762357, 29524714, 44287071, 59049428, 73811785, 88574142, 118098856, 132861213, 147623570, 177148284, 221435355, 236197712, 265722426, 295247140, 354296568, 442870710, 472395424, 531444852, 590494280, 664306065, 708593136, 885741420, 1062889704, 1180988560, 1328612130, 1417186272, 1771482840, 2125779408, 2361977120, 2657224260, 3542965680, 4251558816, 5314448520, 7085931360, 10628897040, 21257794080]

約数ペア:

[(1, 21257794080), (2, 10628897040), (3, 7085931360), (4, 5314448520), (5, 4251558816), (6, 3542965680), (8, 2657224260), (9, 2361977120), (10, 2125779408), (12, 1771482840), (15, 1417186272), (16, 1328612130), (18, 1180988560), (20, 1062889704), (24, 885741420), (30, 708593136), (32, 664306065), (36, 590494280), (40, 531444852), (45, 472395424), (48, 442870710), (60, 354296568), (72, 295247140), (80, 265722426), (90, 236197712), (96, 221435355), (120, 177148284), (144, 147623570), (160, 132861213), (180, 118098856), (240, 88574142), (288, 73811785), (360, 59049428), (480, 44287071), (720, 29524714), (1440, 14762357)]