21775299

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 37368576

約数和(自身を除く): 15593277

約数列:

[1, 3, 7, 13, 21, 31, 39, 83, 91, 93, 217, 249, 273, 403, 581, 651, 961, 1079, 1209, 1743, 2573, 2821, 2883, 3237, 6727, 7553, 7719, 8463, 12493, 18011, 20181, 22659, 33449, 37479, 54033, 79763, 87451, 100347, 234143, 239289, 262353, 558341, 702429, 1036919, 1675023, 3110757, 7258433, 21775299]

約数ペア:

[(1, 21775299), (3, 7258433), (7, 3110757), (13, 1675023), (21, 1036919), (31, 702429), (39, 558341), (83, 262353), (91, 239289), (93, 234143), (217, 100347), (249, 87451), (273, 79763), (403, 54033), (581, 37479), (651, 33449), (961, 22659), (1079, 20181), (1209, 18011), (1743, 12493), (2573, 8463), (2821, 7719), (2883, 7553), (3237, 6727)]