21021538

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1\times {\mathrm{467}}^1$

素因数の和:857

約数の個数: 16

約数和(自身を含む): 32145984

約数和(自身を除く): 11124446

約数列:

[1, 2, 71, 142, 317, 467, 634, 934, 22507, 33157, 45014, 66314, 148039, 296078, 10510769, 21021538]

約数ペア:

[(1, 21021538), (2, 10510769), (71, 296078), (142, 148039), (317, 66314), (467, 45014), (634, 33157), (934, 22507)]