21257712

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{21089}}^1$

素因数の和:21110

約数の個数: 60

約数和(自身を含む): 67994160

約数和(自身を除く): 46736448

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 21089, 42178, 63267, 84356, 126534, 147623, 168712, 189801, 253068, 295246, 337424, 379602, 442869, 506136, 590492, 759204, 885738, 1012272, 1180984, 1328607, 1518408, 1771476, 2361968, 2657214, 3036816, 3542952, 5314428, 7085904, 10628856, 21257712]

約数ペア:

[(1, 21257712), (2, 10628856), (3, 7085904), (4, 5314428), (6, 3542952), (7, 3036816), (8, 2657214), (9, 2361968), (12, 1771476), (14, 1518408), (16, 1328607), (18, 1180984), (21, 1012272), (24, 885738), (28, 759204), (36, 590492), (42, 506136), (48, 442869), (56, 379602), (63, 337424), (72, 295246), (84, 253068), (112, 189801), (126, 168712), (144, 147623), (168, 126534), (252, 84356), (336, 63267), (504, 42178), (1008, 21089)]