21373338

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{4007}}^1$

素因数の和:4146

約数の個数: 32

約数和(自身を含む): 49250304

約数和(自身を除く): 27876966

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 127, 254, 381, 762, 889, 1778, 2667, 4007, 5334, 8014, 12021, 24042, 28049, 56098, 84147, 168294, 508889, 1017778, 1526667, 3053334, 3562223, 7124446, 10686669, 21373338]

約数ペア:

[(1, 21373338), (2, 10686669), (3, 7124446), (6, 3562223), (7, 3053334), (14, 1526667), (21, 1017778), (42, 508889), (127, 168294), (254, 84147), (381, 56098), (762, 28049), (889, 24042), (1778, 12021), (2667, 8014), (4007, 5334)]