21036072

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1097}}^1$

素因数の和:1170

約数の個数: 64

約数和(自身を含む): 56920320

約数和(自身を除く): 35884248

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 47, 51, 68, 94, 102, 136, 141, 188, 204, 282, 376, 408, 564, 799, 1097, 1128, 1598, 2194, 2397, 3196, 3291, 4388, 4794, 6392, 6582, 8776, 9588, 13164, 18649, 19176, 26328, 37298, 51559, 55947, 74596, 103118, 111894, 149192, 154677, 206236, 223788, 309354, 412472, 447576, 618708, 876503, 1237416, 1753006, 2629509, 3506012, 5259018, 7012024, 10518036, 21036072]

約数ペア:

[(1, 21036072), (2, 10518036), (3, 7012024), (4, 5259018), (6, 3506012), (8, 2629509), (12, 1753006), (17, 1237416), (24, 876503), (34, 618708), (47, 447576), (51, 412472), (68, 309354), (94, 223788), (102, 206236), (136, 154677), (141, 149192), (188, 111894), (204, 103118), (282, 74596), (376, 55947), (408, 51559), (564, 37298), (799, 26328), (1097, 19176), (1128, 18649), (1598, 13164), (2194, 9588), (2397, 8776), (3196, 6582), (3291, 6392), (4388, 4794)]