21868700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{4463}}^1$

素因数の和:4491

約数の個数: 54

約数和(自身を含む): 55215216

約数和(自身を除く): 33346516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4463, 4900, 8926, 17852, 22315, 31241, 44630, 62482, 89260, 111575, 124964, 156205, 218687, 223150, 312410, 437374, 446300, 624820, 781025, 874748, 1093435, 1562050, 2186870, 3124100, 4373740, 5467175, 10934350, 21868700]

約数ペア:

[(1, 21868700), (2, 10934350), (4, 5467175), (5, 4373740), (7, 3124100), (10, 2186870), (14, 1562050), (20, 1093435), (25, 874748), (28, 781025), (35, 624820), (49, 446300), (50, 437374), (70, 312410), (98, 223150), (100, 218687), (140, 156205), (175, 124964), (196, 111575), (245, 89260), (350, 62482), (490, 44630), (700, 31241), (980, 22315), (1225, 17852), (2450, 8926), (4463, 4900)]