21488166

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{2707}}^1$

素因数の和:2735

約数の個数: 60

約数和(自身を含む): 56031228

約数和(自身を除く): 34543062

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 294, 378, 441, 567, 882, 1134, 1323, 2646, 2707, 3969, 5414, 7938, 8121, 16242, 18949, 24363, 37898, 48726, 56847, 73089, 113694, 132643, 146178, 170541, 219267, 265286, 341082, 397929, 438534, 511623, 795858, 1023246, 1193787, 1534869, 2387574, 3069738, 3581361, 7162722, 10744083, 21488166]

約数ペア:

[(1, 21488166), (2, 10744083), (3, 7162722), (6, 3581361), (7, 3069738), (9, 2387574), (14, 1534869), (18, 1193787), (21, 1023246), (27, 795858), (42, 511623), (49, 438534), (54, 397929), (63, 341082), (81, 265286), (98, 219267), (126, 170541), (147, 146178), (162, 132643), (189, 113694), (294, 73089), (378, 56847), (441, 48726), (567, 37898), (882, 24363), (1134, 18949), (1323, 16242), (2646, 8121), (2707, 7938), (3969, 5414)]