21031170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18947}}^1$

素因数の和:18994

約数の個数: 32

約数和(自身を含む): 51841728

約数和(自身を除く): 30810558

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 18947, 37894, 56841, 94735, 113682, 189470, 284205, 568410, 701039, 1402078, 2103117, 3505195, 4206234, 7010390, 10515585, 21031170]

約数ペア:

[(1, 21031170), (2, 10515585), (3, 7010390), (5, 4206234), (6, 3505195), (10, 2103117), (15, 1402078), (30, 701039), (37, 568410), (74, 284205), (111, 189470), (185, 113682), (222, 94735), (370, 56841), (555, 37894), (1110, 18947)]