21503966

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{16567}}^1$

素因数の和:16639

約数の個数: 16

約数和(自身を含む): 35786880

約数和(自身を除く): 14282914

約数列:

[1, 2, 11, 22, 59, 118, 649, 1298, 16567, 33134, 182237, 364474, 977453, 1954906, 10751983, 21503966]

約数ペア:

[(1, 21503966), (2, 10751983), (11, 1954906), (22, 977453), (59, 364474), (118, 182237), (649, 33134), (1298, 16567)]