21383704

素因数分解:

$2^3\times {\mathrm{739}}^1\times {\mathrm{3617}}^1$

素因数の和:4362

約数の個数: 16

約数和(自身を含む): 40159800

約数和(自身を除く): 18776096

約数列:

[1, 2, 4, 8, 739, 1478, 2956, 3617, 5912, 7234, 14468, 28936, 2672963, 5345926, 10691852, 21383704]

約数ペア:

[(1, 21383704), (2, 10691852), (4, 5345926), (8, 2672963), (739, 28936), (1478, 14468), (2956, 7234), (3617, 5912)]