21333088

素因数分解:

$2^5\times 7^1\times {\mathrm{131}}^1\times {\mathrm{727}}^1$

素因数の和:875

約数の個数: 48

約数和(自身を含む): 48432384

約数和(自身を除く): 27099296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 131, 224, 262, 524, 727, 917, 1048, 1454, 1834, 2096, 2908, 3668, 4192, 5089, 5816, 7336, 10178, 11632, 14672, 20356, 23264, 29344, 40712, 81424, 95237, 162848, 190474, 380948, 666659, 761896, 1333318, 1523792, 2666636, 3047584, 5333272, 10666544, 21333088]

約数ペア:

[(1, 21333088), (2, 10666544), (4, 5333272), (7, 3047584), (8, 2666636), (14, 1523792), (16, 1333318), (28, 761896), (32, 666659), (56, 380948), (112, 190474), (131, 162848), (224, 95237), (262, 81424), (524, 40712), (727, 29344), (917, 23264), (1048, 20356), (1454, 14672), (1834, 11632), (2096, 10178), (2908, 7336), (3668, 5816), (4192, 5089)]