21015952

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{45293}}^1$

素因数の和:45330

約数の個数: 20

約数和(自身を含む): 42123420

約数和(自身を除く): 21107468

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 45293, 90586, 181172, 362344, 724688, 1313497, 2626994, 5253988, 10507976, 21015952]

約数ペア:

[(1, 21015952), (2, 10507976), (4, 5253988), (8, 2626994), (16, 1313497), (29, 724688), (58, 362344), (116, 181172), (232, 90586), (464, 45293)]