21928928

素因数分解:

$2^5\times 7^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:679

約数の個数: 48

約数和(自身を含む): 49674240

約数和(自身を除く): 27745312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 223, 224, 439, 446, 878, 892, 1561, 1756, 1784, 3073, 3122, 3512, 3568, 6146, 6244, 7024, 7136, 12292, 12488, 14048, 24584, 24976, 49168, 49952, 97897, 98336, 195794, 391588, 685279, 783176, 1370558, 1566352, 2741116, 3132704, 5482232, 10964464, 21928928]

約数ペア:

[(1, 21928928), (2, 10964464), (4, 5482232), (7, 3132704), (8, 2741116), (14, 1566352), (16, 1370558), (28, 783176), (32, 685279), (56, 391588), (112, 195794), (223, 98336), (224, 97897), (439, 49952), (446, 49168), (878, 24976), (892, 24584), (1561, 14048), (1756, 12488), (1784, 12292), (3073, 7136), (3122, 7024), (3512, 6244), (3568, 6146)]