21575061

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{991}}^1$

素因数の和:1097

約数の個数: 24

約数和(自身を含む): 32497920

約数和(自身を除く): 10922859

約数列:

[1, 3, 9, 41, 59, 123, 177, 369, 531, 991, 2419, 2973, 7257, 8919, 21771, 40631, 58469, 121893, 175407, 365679, 526221, 2397229, 7191687, 21575061]

約数ペア:

[(1, 21575061), (3, 7191687), (9, 2397229), (41, 526221), (59, 365679), (123, 175407), (177, 121893), (369, 58469), (531, 40631), (991, 21771), (2419, 8919), (2973, 7257)]