21250344

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 56039040

約数和(自身を除く): 34788696

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 137, 138, 184, 274, 276, 281, 411, 548, 552, 562, 822, 843, 1096, 1124, 1644, 1686, 2248, 3151, 3288, 3372, 6302, 6463, 6744, 9453, 12604, 12926, 18906, 19389, 25208, 25852, 37812, 38497, 38778, 51704, 75624, 76994, 77556, 115491, 153988, 155112, 230982, 307976, 461964, 885431, 923928, 1770862, 2656293, 3541724, 5312586, 7083448, 10625172, 21250344]

約数ペア:

[(1, 21250344), (2, 10625172), (3, 7083448), (4, 5312586), (6, 3541724), (8, 2656293), (12, 1770862), (23, 923928), (24, 885431), (46, 461964), (69, 307976), (92, 230982), (137, 155112), (138, 153988), (184, 115491), (274, 77556), (276, 76994), (281, 75624), (411, 51704), (548, 38778), (552, 38497), (562, 37812), (822, 25852), (843, 25208), (1096, 19389), (1124, 18906), (1644, 12926), (1686, 12604), (2248, 9453), (3151, 6744), (3288, 6463), (3372, 6302)]