21181690943

素因数分解:

$7^3\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{8699}}^1$

素因数の和:8980

約数の個数: 32

約数和(自身を含む): 25612800000

約数和(自身を除く): 4431109057

約数列:

[1, 7, 31, 49, 217, 229, 343, 1519, 1603, 7099, 8699, 10633, 11221, 49693, 60893, 78547, 269669, 347851, 426251, 1887683, 1992071, 2434957, 2983757, 13213781, 13944497, 61754201, 92496467, 97611479, 432279407, 683280353, 3025955849, 21181690943]

約数ペア:

[(1, 21181690943), (7, 3025955849), (31, 683280353), (49, 432279407), (217, 97611479), (229, 92496467), (343, 61754201), (1519, 13944497), (1603, 13213781), (7099, 2983757), (8699, 2434957), (10633, 1992071), (11221, 1887683), (49693, 426251), (60893, 347851), (78547, 269669)]