21064776960

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{5485619}}^1$

素因数の和:5485643

約数の個数: 72

約数和(自身を含む): 67275643680

約数和(自身を除く): 46210866720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 5485619, 10971238, 16456857, 21942476, 27428095, 32913714, 43884952, 54856190, 65827428, 82284285, 87769904, 109712380, 131654856, 164568570, 175539808, 219424760, 263309712, 329137140, 351079616, 438849520, 526619424, 658274280, 702159232, 877699040, 1053238848, 1316548560, 1404318464, 1755398080, 2106477696, 2633097120, 3510796160, 4212955392, 5266194240, 7021592320, 10532388480, 21064776960]

約数ペア:

[(1, 21064776960), (2, 10532388480), (3, 7021592320), (4, 5266194240), (5, 4212955392), (6, 3510796160), (8, 2633097120), (10, 2106477696), (12, 1755398080), (15, 1404318464), (16, 1316548560), (20, 1053238848), (24, 877699040), (30, 702159232), (32, 658274280), (40, 526619424), (48, 438849520), (60, 351079616), (64, 329137140), (80, 263309712), (96, 219424760), (120, 175539808), (128, 164568570), (160, 131654856), (192, 109712380), (240, 87769904), (256, 82284285), (320, 65827428), (384, 54856190), (480, 43884952), (640, 32913714), (768, 27428095), (960, 21942476), (1280, 16456857), (1920, 10971238), (3840, 5485619)]