21637494

素因数分解:

$2^1\times 3^2\times {\mathrm{991}}^1\times {\mathrm{1213}}^1$

素因数の和:2212

約数の個数: 24

約数和(自身を含む): 46967232

約数和(自身を除く): 25329738

約数列:

[1, 2, 3, 6, 9, 18, 991, 1213, 1982, 2426, 2973, 3639, 5946, 7278, 8919, 10917, 17838, 21834, 1202083, 2404166, 3606249, 7212498, 10818747, 21637494]

約数ペア:

[(1, 21637494), (2, 10818747), (3, 7212498), (6, 3606249), (9, 2404166), (18, 1202083), (991, 21834), (1213, 17838), (1982, 10917), (2426, 8919), (2973, 7278), (3639, 5946)]