21395808

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{10613}}^1$

素因数の和:10636

約数の個数: 72

約数和(自身を含む): 69542928

約数和(自身を除く): 48147120

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 10613, 21226, 31839, 42452, 63678, 74291, 84904, 95517, 127356, 148582, 169808, 191034, 222873, 254712, 297164, 339616, 382068, 445746, 509424, 594328, 668619, 764136, 891492, 1018848, 1188656, 1337238, 1528272, 1782984, 2377312, 2674476, 3056544, 3565968, 5348952, 7131936, 10697904, 21395808]

約数ペア:

[(1, 21395808), (2, 10697904), (3, 7131936), (4, 5348952), (6, 3565968), (7, 3056544), (8, 2674476), (9, 2377312), (12, 1782984), (14, 1528272), (16, 1337238), (18, 1188656), (21, 1018848), (24, 891492), (28, 764136), (32, 668619), (36, 594328), (42, 509424), (48, 445746), (56, 382068), (63, 339616), (72, 297164), (84, 254712), (96, 222873), (112, 191034), (126, 169808), (144, 148582), (168, 127356), (224, 95517), (252, 84904), (288, 74291), (336, 63678), (504, 42452), (672, 31839), (1008, 21226), (2016, 10613)]