21215034

素因数分解:

$2^1\times 3^4\times {\mathrm{130957}}^1$

素因数の和:130971

約数の個数: 20

約数和(自身を含む): 47537754

約数和(自身を除く): 26322720

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 130957, 261914, 392871, 785742, 1178613, 2357226, 3535839, 7071678, 10607517, 21215034]

約数ペア:

[(1, 21215034), (2, 10607517), (3, 7071678), (6, 3535839), (9, 2357226), (18, 1178613), (27, 785742), (54, 392871), (81, 261914), (162, 130957)]