21043050

素因数分解:

$2^1\times 3^1\times 5^2\times 7^3\times {\mathrm{409}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 61008000

約数和(自身を除く): 39964950

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 98, 105, 147, 150, 175, 210, 245, 294, 343, 350, 409, 490, 525, 686, 735, 818, 1029, 1050, 1225, 1227, 1470, 1715, 2045, 2058, 2450, 2454, 2863, 3430, 3675, 4090, 5145, 5726, 6135, 7350, 8575, 8589, 10225, 10290, 12270, 14315, 17150, 17178, 20041, 20450, 25725, 28630, 30675, 40082, 42945, 51450, 60123, 61350, 71575, 85890, 100205, 120246, 140287, 143150, 200410, 214725, 280574, 300615, 420861, 429450, 501025, 601230, 701435, 841722, 1002050, 1402870, 1503075, 2104305, 3006150, 3507175, 4208610, 7014350, 10521525, 21043050]

約数ペア:

[(1, 21043050), (2, 10521525), (3, 7014350), (5, 4208610), (6, 3507175), (7, 3006150), (10, 2104305), (14, 1503075), (15, 1402870), (21, 1002050), (25, 841722), (30, 701435), (35, 601230), (42, 501025), (49, 429450), (50, 420861), (70, 300615), (75, 280574), (98, 214725), (105, 200410), (147, 143150), (150, 140287), (175, 120246), (210, 100205), (245, 85890), (294, 71575), (343, 61350), (350, 60123), (409, 51450), (490, 42945), (525, 40082), (686, 30675), (735, 28630), (818, 25725), (1029, 20450), (1050, 20041), (1225, 17178), (1227, 17150), (1470, 14315), (1715, 12270), (2045, 10290), (2058, 10225), (2450, 8589), (2454, 8575), (2863, 7350), (3430, 6135), (3675, 5726), (4090, 5145)]