21323312

素因数分解:

$2^4\times {\mathrm{619}}^1\times {\mathrm{2153}}^1$

素因数の和:2780

約数の個数: 20

約数和(自身を含む): 41399880

約数和(自身を除く): 20076568

約数列:

[1, 2, 4, 8, 16, 619, 1238, 2153, 2476, 4306, 4952, 8612, 9904, 17224, 34448, 1332707, 2665414, 5330828, 10661656, 21323312]

約数ペア:

[(1, 21323312), (2, 10661656), (4, 5330828), (8, 2665414), (16, 1332707), (619, 34448), (1238, 17224), (2153, 9904), (2476, 8612), (4306, 4952)]