21467276

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{281}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 38374560

約数和(自身を除く): 16907284

約数列:

[1, 2, 4, 71, 142, 269, 281, 284, 538, 562, 1076, 1124, 19099, 19951, 38198, 39902, 75589, 76396, 79804, 151178, 302356, 5366819, 10733638, 21467276]

約数ペア:

[(1, 21467276), (2, 10733638), (4, 5366819), (71, 302356), (142, 151178), (269, 79804), (281, 76396), (284, 75589), (538, 39902), (562, 38198), (1076, 19951), (1124, 19099)]