21575554

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{829}}^1$

素因数の和:875

約数の個数: 48

約数和(自身を含む): 43744320

約数和(自身を除く): 22168766

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 169, 182, 286, 338, 829, 1001, 1183, 1658, 1859, 2002, 2366, 3718, 5803, 9119, 10777, 11606, 13013, 18238, 21554, 26026, 63833, 75439, 118547, 127666, 140101, 150878, 237094, 280202, 829829, 980707, 1541111, 1659658, 1961414, 3082222, 10787777, 21575554]

約数ペア:

[(1, 21575554), (2, 10787777), (7, 3082222), (11, 1961414), (13, 1659658), (14, 1541111), (22, 980707), (26, 829829), (77, 280202), (91, 237094), (143, 150878), (154, 140101), (169, 127666), (182, 118547), (286, 75439), (338, 63833), (829, 26026), (1001, 21554), (1183, 18238), (1658, 13013), (1859, 11606), (2002, 10777), (2366, 9119), (3718, 5803)]