21053378

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{2467}}^1$

素因数の和:2737

約数の個数: 16

約数和(自身を含む): 33584544

約数和(自身を除く): 12531166

約数列:

[1, 2, 17, 34, 251, 502, 2467, 4267, 4934, 8534, 41939, 83878, 619217, 1238434, 10526689, 21053378]

約数ペア:

[(1, 21053378), (2, 10526689), (17, 1238434), (34, 619217), (251, 83878), (502, 41939), (2467, 8534), (4267, 4934)]