21364750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 46298304

約数和(自身を除く): 24933554

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 50, 55, 85, 110, 125, 170, 187, 250, 275, 374, 425, 457, 550, 850, 914, 935, 1375, 1870, 2125, 2285, 2750, 4250, 4570, 4675, 5027, 7769, 9350, 10054, 11425, 15538, 22850, 23375, 25135, 38845, 46750, 50270, 57125, 77690, 85459, 114250, 125675, 170918, 194225, 251350, 388450, 427295, 628375, 854590, 971125, 1256750, 1942250, 2136475, 4272950, 10682375, 21364750]

約数ペア:

[(1, 21364750), (2, 10682375), (5, 4272950), (10, 2136475), (11, 1942250), (17, 1256750), (22, 971125), (25, 854590), (34, 628375), (50, 427295), (55, 388450), (85, 251350), (110, 194225), (125, 170918), (170, 125675), (187, 114250), (250, 85459), (275, 77690), (374, 57125), (425, 50270), (457, 46750), (550, 38845), (850, 25135), (914, 23375), (935, 22850), (1375, 15538), (1870, 11425), (2125, 10054), (2285, 9350), (2750, 7769), (4250, 5027), (4570, 4675)]