21000606774

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7042457}}^1$

素因数の和:7042540

約数の個数: 32

約数和(自身を含む): 48677469696

約数和(自身を除く): 27676862922

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 7042457, 14084914, 21127371, 42254742, 49297199, 98594398, 147891597, 295783194, 500014447, 1000028894, 1500043341, 3000086682, 3500101129, 7000202258, 10500303387, 21000606774]

約数ペア:

[(1, 21000606774), (2, 10500303387), (3, 7000202258), (6, 3500101129), (7, 3000086682), (14, 1500043341), (21, 1000028894), (42, 500014447), (71, 295783194), (142, 147891597), (213, 98594398), (426, 49297199), (497, 42254742), (994, 21127371), (1491, 14084914), (2982, 7042457)]