21062040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1051}}^1$

素因数の和:1232

約数の個数: 64

約数和(自身を含む): 63624960

約数和(自身を除く): 42562920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 167, 334, 501, 668, 835, 1002, 1051, 1336, 1670, 2004, 2102, 2505, 3153, 3340, 4008, 4204, 5010, 5255, 6306, 6680, 8408, 10020, 10510, 12612, 15765, 20040, 21020, 25224, 31530, 42040, 63060, 126120, 175517, 351034, 526551, 702068, 877585, 1053102, 1404136, 1755170, 2106204, 2632755, 3510340, 4212408, 5265510, 7020680, 10531020, 21062040]

約数ペア:

[(1, 21062040), (2, 10531020), (3, 7020680), (4, 5265510), (5, 4212408), (6, 3510340), (8, 2632755), (10, 2106204), (12, 1755170), (15, 1404136), (20, 1053102), (24, 877585), (30, 702068), (40, 526551), (60, 351034), (120, 175517), (167, 126120), (334, 63060), (501, 42040), (668, 31530), (835, 25224), (1002, 21020), (1051, 20040), (1336, 15765), (1670, 12612), (2004, 10510), (2102, 10020), (2505, 8408), (3153, 6680), (3340, 6306), (4008, 5255), (4204, 5010)]