21653030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1709}}^1$

素因数の和:1904

約数の個数: 32

約数和(自身を含む): 44815680

約数和(自身を除く): 23162650

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 181, 362, 905, 1267, 1709, 1810, 2534, 3418, 6335, 8545, 11963, 12670, 17090, 23926, 59815, 119630, 309329, 618658, 1546645, 2165303, 3093290, 4330606, 10826515, 21653030]

約数ペア:

[(1, 21653030), (2, 10826515), (5, 4330606), (7, 3093290), (10, 2165303), (14, 1546645), (35, 618658), (70, 309329), (181, 119630), (362, 59815), (905, 23926), (1267, 17090), (1709, 12670), (1810, 11963), (2534, 8545), (3418, 6335)]