21505552

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{58439}}^1$

素因数の和:58470

約数の個数: 20

約数和(自身を含む): 43479360

約数和(自身を除く): 21973808

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 58439, 116878, 233756, 467512, 935024, 1344097, 2688194, 5376388, 10752776, 21505552]

約数ペア:

[(1, 21505552), (2, 10752776), (4, 5376388), (8, 2688194), (16, 1344097), (23, 935024), (46, 467512), (92, 233756), (184, 116878), (368, 58439)]