21003536

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{11617}}^1$

素因数の和:11738

約数の個数: 20

約数和(自身を含む): 41058012

約数和(自身を除く): 20054476

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 11617, 23234, 46468, 92936, 185872, 1312721, 2625442, 5250884, 10501768, 21003536]

約数ペア:

[(1, 21003536), (2, 10501768), (4, 5250884), (8, 2625442), (16, 1312721), (113, 185872), (226, 92936), (452, 46468), (904, 23234), (1808, 11617)]