21947450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{859}}^1$

素因数の和:951

約数の個数: 48

約数和(自身を含む): 47348160

約数和(自身を除く): 25400710

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 73, 146, 175, 350, 365, 511, 730, 859, 1022, 1718, 1825, 2555, 3650, 4295, 5110, 6013, 8590, 12026, 12775, 21475, 25550, 30065, 42950, 60130, 62707, 125414, 150325, 300650, 313535, 438949, 627070, 877898, 1567675, 2194745, 3135350, 4389490, 10973725, 21947450]

約数ペア:

[(1, 21947450), (2, 10973725), (5, 4389490), (7, 3135350), (10, 2194745), (14, 1567675), (25, 877898), (35, 627070), (50, 438949), (70, 313535), (73, 300650), (146, 150325), (175, 125414), (350, 62707), (365, 60130), (511, 42950), (730, 30065), (859, 25550), (1022, 21475), (1718, 12775), (1825, 12026), (2555, 8590), (3650, 6013), (4295, 5110)]