21749942

素因数分解:

$2^1\times {\mathrm{29}}^2\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:320

約数の個数: 24

約数和(自身を含む): 34470696

約数和(自身を除く): 12720754

約数列:

[1, 2, 29, 58, 67, 134, 193, 386, 841, 1682, 1943, 3886, 5597, 11194, 12931, 25862, 56347, 112694, 162313, 324626, 374999, 749998, 10874971, 21749942]

約数ペア:

[(1, 21749942), (2, 10874971), (29, 749998), (58, 374999), (67, 324626), (134, 162313), (193, 112694), (386, 56347), (841, 25862), (1682, 12931), (1943, 11194), (3886, 5597)]