21085148

素因数分解:

$2^2\times 7^1\times {\mathrm{739}}^1\times {\mathrm{1019}}^1$

素因数の和:1769

約数の個数: 24

約数和(自身を含む): 42268800

約数和(自身を除く): 21183652

約数列:

[1, 2, 4, 7, 14, 28, 739, 1019, 1478, 2038, 2956, 4076, 5173, 7133, 10346, 14266, 20692, 28532, 753041, 1506082, 3012164, 5271287, 10542574, 21085148]

約数ペア:

[(1, 21085148), (2, 10542574), (4, 5271287), (7, 3012164), (14, 1506082), (28, 753041), (739, 28532), (1019, 20692), (1478, 14266), (2038, 10346), (2956, 7133), (4076, 5173)]