21436085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 30049920

約数和(自身を除く): 8613835

約数列:

[1, 5, 11, 19, 55, 73, 95, 209, 281, 365, 803, 1045, 1387, 1405, 3091, 4015, 5339, 6935, 15257, 15455, 20513, 26695, 58729, 76285, 102565, 225643, 293645, 389747, 1128215, 1948735, 4287217, 21436085]

約数ペア:

[(1, 21436085), (5, 4287217), (11, 1948735), (19, 1128215), (55, 389747), (73, 293645), (95, 225643), (209, 102565), (281, 76285), (365, 58729), (803, 26695), (1045, 20513), (1387, 15455), (1405, 15257), (3091, 6935), (4015, 5339)]