21036724

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8929}}^1$

素因数の和:8983

約数の個数: 24

約数和(自身を含む): 40006400

約数和(自身を除く): 18969676

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 8929, 17858, 35716, 169651, 276799, 339302, 553598, 678604, 1107196, 5259181, 10518362, 21036724]

約数ペア:

[(1, 21036724), (2, 10518362), (4, 5259181), (19, 1107196), (31, 678604), (38, 553598), (62, 339302), (76, 276799), (124, 169651), (589, 35716), (1178, 17858), (2356, 8929)]