21817076

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 39115776

約数和(自身を除く): 17298700

約数列:

[1, 2, 4, 67, 127, 134, 254, 268, 508, 641, 1282, 2564, 8509, 17018, 34036, 42947, 81407, 85894, 162814, 171788, 325628, 5454269, 10908538, 21817076]

約数ペア:

[(1, 21817076), (2, 10908538), (4, 5454269), (67, 325628), (127, 171788), (134, 162814), (254, 85894), (268, 81407), (508, 42947), (641, 34036), (1282, 17018), (2564, 8509)]