21325468

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{1619}}^1$

素因数の和:1749

約数の個数: 24

約数和(自身を含む): 38782800

約数和(自身を除く): 17457332

約数列:

[1, 2, 4, 37, 74, 89, 148, 178, 356, 1619, 3238, 3293, 6476, 6586, 13172, 59903, 119806, 144091, 239612, 288182, 576364, 5331367, 10662734, 21325468]

約数ペア:

[(1, 21325468), (2, 10662734), (4, 5331367), (37, 576364), (74, 288182), (89, 239612), (148, 144091), (178, 119806), (356, 59903), (1619, 13172), (3238, 6586), (3293, 6476)]