21470520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{178921}}^1$

素因数の和:178935

約数の個数: 32

約数和(自身を含む): 64411920

約数和(自身を除く): 42941400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 178921, 357842, 536763, 715684, 894605, 1073526, 1431368, 1789210, 2147052, 2683815, 3578420, 4294104, 5367630, 7156840, 10735260, 21470520]

約数ペア:

[(1, 21470520), (2, 10735260), (3, 7156840), (4, 5367630), (5, 4294104), (6, 3578420), (8, 2683815), (10, 2147052), (12, 1789210), (15, 1431368), (20, 1073526), (24, 894605), (30, 715684), (40, 536763), (60, 357842), (120, 178921)]