21057162

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1069}}^1$

素因数の和:1155

約数の個数: 48

約数和(自身を含む): 49767840

約数和(自身を除く): 28710678

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 67, 98, 134, 147, 201, 294, 402, 469, 938, 1069, 1407, 2138, 2814, 3207, 3283, 6414, 6566, 7483, 9849, 14966, 19698, 22449, 44898, 52381, 71623, 104762, 143246, 157143, 214869, 314286, 429738, 501361, 1002722, 1504083, 3008166, 3509527, 7019054, 10528581, 21057162]

約数ペア:

[(1, 21057162), (2, 10528581), (3, 7019054), (6, 3509527), (7, 3008166), (14, 1504083), (21, 1002722), (42, 501361), (49, 429738), (67, 314286), (98, 214869), (134, 157143), (147, 143246), (201, 104762), (294, 71623), (402, 52381), (469, 44898), (938, 22449), (1069, 19698), (1407, 14966), (2138, 9849), (2814, 7483), (3207, 6566), (3283, 6414)]