21102186

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{7499}}^1$

素因数の和:7578

約数の個数: 32

約数和(自身を含む): 48960000

約数和(自身を除く): 27857814

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 2814, 7499, 14998, 22497, 44994, 52493, 104986, 157479, 314958, 502433, 1004866, 1507299, 3014598, 3517031, 7034062, 10551093, 21102186]

約数ペア:

[(1, 21102186), (2, 10551093), (3, 7034062), (6, 3517031), (7, 3014598), (14, 1507299), (21, 1004866), (42, 502433), (67, 314958), (134, 157479), (201, 104986), (402, 52493), (469, 44994), (938, 22497), (1407, 14998), (2814, 7499)]