21438496

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{39409}}^1$

素因数の和:39436

約数の個数: 24

約数和(自身を含む): 44690940

約数和(自身を除く): 23252444

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 39409, 78818, 157636, 315272, 630544, 669953, 1261088, 1339906, 2679812, 5359624, 10719248, 21438496]

約数ペア:

[(1, 21438496), (2, 10719248), (4, 5359624), (8, 2679812), (16, 1339906), (17, 1261088), (32, 669953), (34, 630544), (68, 315272), (136, 157636), (272, 78818), (544, 39409)]