21627272

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1277}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 42557400

約数和(自身を除く): 20930128

約数列:

[1, 2, 4, 8, 29, 58, 73, 116, 146, 232, 292, 584, 1277, 2117, 2554, 4234, 5108, 8468, 10216, 16936, 37033, 74066, 93221, 148132, 186442, 296264, 372884, 745768, 2703409, 5406818, 10813636, 21627272]

約数ペア:

[(1, 21627272), (2, 10813636), (4, 5406818), (8, 2703409), (29, 745768), (58, 372884), (73, 296264), (116, 186442), (146, 148132), (232, 93221), (292, 74066), (584, 37033), (1277, 16936), (2117, 10216), (2554, 8468), (4234, 5108)]