21548366983

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{385391}}^1$

素因数の和:385455

約数の個数: 32

約数和(自身を含む): 27970209792

約数和(自身を除く): 6421842809

約数列:

[1, 11, 13, 17, 23, 143, 187, 221, 253, 299, 391, 2431, 3289, 4301, 5083, 55913, 385391, 4239301, 5010083, 6551647, 8863993, 55110913, 72068117, 85171411, 97503923, 115231909, 150687881, 936885521, 1267550999, 1657566691, 1958942453, 21548366983]

約数ペア:

[(1, 21548366983), (11, 1958942453), (13, 1657566691), (17, 1267550999), (23, 936885521), (143, 150687881), (187, 115231909), (221, 97503923), (253, 85171411), (299, 72068117), (391, 55110913), (2431, 8863993), (3289, 6551647), (4301, 5010083), (5083, 4239301), (55913, 385391)]