21656712

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11719}}^1$

素因数の和:11746

約数の個数: 64

約数和(自身を含む): 67507200

約数和(自身を除く): 45850488

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 11719, 23438, 35157, 46876, 70314, 82033, 93752, 128909, 140628, 164066, 246099, 257818, 281256, 328132, 386727, 492198, 515636, 656264, 773454, 902363, 984396, 1031272, 1546908, 1804726, 1968792, 2707089, 3093816, 3609452, 5414178, 7218904, 10828356, 21656712]

約数ペア:

[(1, 21656712), (2, 10828356), (3, 7218904), (4, 5414178), (6, 3609452), (7, 3093816), (8, 2707089), (11, 1968792), (12, 1804726), (14, 1546908), (21, 1031272), (22, 984396), (24, 902363), (28, 773454), (33, 656264), (42, 515636), (44, 492198), (56, 386727), (66, 328132), (77, 281256), (84, 257818), (88, 246099), (132, 164066), (154, 140628), (168, 128909), (231, 93752), (264, 82033), (308, 70314), (462, 46876), (616, 35157), (924, 23438), (1848, 11719)]