21836344

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 41958000

約数和(自身を除く): 20121656

約数列:

[1, 2, 4, 8, 73, 139, 146, 269, 278, 292, 538, 556, 584, 1076, 1112, 2152, 10147, 19637, 20294, 37391, 39274, 40588, 74782, 78548, 81176, 149564, 157096, 299128, 2729543, 5459086, 10918172, 21836344]

約数ペア:

[(1, 21836344), (2, 10918172), (4, 5459086), (8, 2729543), (73, 299128), (139, 157096), (146, 149564), (269, 81176), (278, 78548), (292, 74782), (538, 40588), (556, 39274), (584, 37391), (1076, 20294), (1112, 19637), (2152, 10147)]