21438472

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1361}}^1$

素因数の和:1557

約数の個数: 32

約数和(自身を含む): 44128800

約数和(自身を除く): 22690328

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 179, 358, 716, 1361, 1432, 1969, 2722, 3938, 5444, 7876, 10888, 14971, 15752, 29942, 59884, 119768, 243619, 487238, 974476, 1948952, 2679809, 5359618, 10719236, 21438472]

約数ペア:

[(1, 21438472), (2, 10719236), (4, 5359618), (8, 2679809), (11, 1948952), (22, 974476), (44, 487238), (88, 243619), (179, 119768), (358, 59884), (716, 29942), (1361, 15752), (1432, 14971), (1969, 10888), (2722, 7876), (3938, 5444)]