21139998726

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{89897}}^1$

素因数の和:90429

約数の個数: 64

約数和(自身を含む): 52816872960

約数和(自身を除く): 31676874234

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 509, 1018, 1527, 3054, 3563, 5599, 7126, 10689, 11198, 16797, 21378, 33594, 39193, 78386, 89897, 117579, 179794, 235158, 269691, 539382, 629279, 988867, 1258558, 1887837, 1977734, 2966601, 3775674, 5933202, 6922069, 13844138, 20766207, 41532414, 45757573, 91515146, 137272719, 274545438, 320303011, 503333303, 640606022, 960909033, 1006666606, 1509999909, 1921818066, 3019999818, 3523333121, 7046666242, 10569999363, 21139998726]

約数ペア:

[(1, 21139998726), (2, 10569999363), (3, 7046666242), (6, 3523333121), (7, 3019999818), (11, 1921818066), (14, 1509999909), (21, 1006666606), (22, 960909033), (33, 640606022), (42, 503333303), (66, 320303011), (77, 274545438), (154, 137272719), (231, 91515146), (462, 45757573), (509, 41532414), (1018, 20766207), (1527, 13844138), (3054, 6922069), (3563, 5933202), (5599, 3775674), (7126, 2966601), (10689, 1977734), (11198, 1887837), (16797, 1258558), (21378, 988867), (33594, 629279), (39193, 539382), (78386, 269691), (89897, 235158), (117579, 179794)]