21741270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2053}}^1$

素因数の和:2416

約数の個数: 32

約数和(自身を含む): 52352352

約数和(自身を除く): 30611082

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 353, 706, 1059, 1765, 2053, 2118, 3530, 4106, 5295, 6159, 10265, 10590, 12318, 20530, 30795, 61590, 724709, 1449418, 2174127, 3623545, 4348254, 7247090, 10870635, 21741270]

約数ペア:

[(1, 21741270), (2, 10870635), (3, 7247090), (5, 4348254), (6, 3623545), (10, 2174127), (15, 1449418), (30, 724709), (353, 61590), (706, 30795), (1059, 20530), (1765, 12318), (2053, 10590), (2118, 10265), (3530, 6159), (4106, 5295)]