21464268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{15031}}^1$

素因数の和:15062

約数の個数: 48

約数和(自身を含む): 60609024

約数和(自身を除く): 39144756

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 15031, 30062, 45093, 60124, 90186, 105217, 180372, 210434, 255527, 315651, 420868, 511054, 631302, 766581, 1022108, 1262604, 1533162, 1788689, 3066324, 3577378, 5366067, 7154756, 10732134, 21464268]

約数ペア:

[(1, 21464268), (2, 10732134), (3, 7154756), (4, 5366067), (6, 3577378), (7, 3066324), (12, 1788689), (14, 1533162), (17, 1262604), (21, 1022108), (28, 766581), (34, 631302), (42, 511054), (51, 420868), (68, 315651), (84, 255527), (102, 210434), (119, 180372), (204, 105217), (238, 90186), (357, 60124), (476, 45093), (714, 30062), (1428, 15031)]