21013776

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{6949}}^1$

素因数の和:6973

約数の個数: 80

約数和(自身を含む): 68944000

約数和(自身を除く): 47930224

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 1008, 1512, 3024, 6949, 13898, 20847, 27796, 41694, 48643, 55592, 62541, 83388, 97286, 111184, 125082, 145929, 166776, 187623, 194572, 250164, 291858, 333552, 375246, 389144, 437787, 500328, 583716, 750492, 778288, 875574, 1000656, 1167432, 1313361, 1500984, 1751148, 2334864, 2626722, 3001968, 3502296, 5253444, 7004592, 10506888, 21013776]

約数ペア:

[(1, 21013776), (2, 10506888), (3, 7004592), (4, 5253444), (6, 3502296), (7, 3001968), (8, 2626722), (9, 2334864), (12, 1751148), (14, 1500984), (16, 1313361), (18, 1167432), (21, 1000656), (24, 875574), (27, 778288), (28, 750492), (36, 583716), (42, 500328), (48, 437787), (54, 389144), (56, 375246), (63, 333552), (72, 291858), (84, 250164), (108, 194572), (112, 187623), (126, 166776), (144, 145929), (168, 125082), (189, 111184), (216, 97286), (252, 83388), (336, 62541), (378, 55592), (432, 48643), (504, 41694), (756, 27796), (1008, 20847), (1512, 13898), (3024, 6949)]