21431914

素因数分解:

$2^1\times 7^2\times {\mathrm{383}}^1\times {\mathrm{571}}^1$

素因数の和:970

約数の個数: 24

約数和(自身を含む): 37559808

約数和(自身を除く): 16127894

約数列:

[1, 2, 7, 14, 49, 98, 383, 571, 766, 1142, 2681, 3997, 5362, 7994, 18767, 27979, 37534, 55958, 218693, 437386, 1530851, 3061702, 10715957, 21431914]

約数ペア:

[(1, 21431914), (2, 10715957), (7, 3061702), (14, 1530851), (49, 437386), (98, 218693), (383, 55958), (571, 37534), (766, 27979), (1142, 18767), (2681, 7994), (3997, 5362)]