21963712

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:425

約数の個数: 56

約数和(自身を含む): 46670976

約数和(自身を除く): 24707264

約数列:

[1, 2, 4, 8, 16, 23, 32, 43, 46, 64, 86, 92, 172, 184, 344, 347, 368, 688, 694, 736, 989, 1376, 1388, 1472, 1978, 2752, 2776, 3956, 5552, 7912, 7981, 11104, 14921, 15824, 15962, 22208, 29842, 31648, 31924, 59684, 63296, 63848, 119368, 127696, 238736, 255392, 343183, 477472, 510784, 686366, 954944, 1372732, 2745464, 5490928, 10981856, 21963712]

約数ペア:

[(1, 21963712), (2, 10981856), (4, 5490928), (8, 2745464), (16, 1372732), (23, 954944), (32, 686366), (43, 510784), (46, 477472), (64, 343183), (86, 255392), (92, 238736), (172, 127696), (184, 119368), (344, 63848), (347, 63296), (368, 59684), (688, 31924), (694, 31648), (736, 29842), (989, 22208), (1376, 15962), (1388, 15824), (1472, 14921), (1978, 11104), (2752, 7981), (2776, 7912), (3956, 5552)]