21087738

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23909}}^1$

素因数の和:23931

約数の個数: 36

約数和(自身を含む): 53151930

約数和(自身を除く): 32064192

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 23909, 47818, 71727, 143454, 167363, 215181, 334726, 430362, 502089, 1004178, 1171541, 1506267, 2343082, 3012534, 3514623, 7029246, 10543869, 21087738]

約数ペア:

[(1, 21087738), (2, 10543869), (3, 7029246), (6, 3514623), (7, 3012534), (9, 2343082), (14, 1506267), (18, 1171541), (21, 1004178), (42, 502089), (49, 430362), (63, 334726), (98, 215181), (126, 167363), (147, 143454), (294, 71727), (441, 47818), (882, 23909)]