21000741886

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1\times {\mathrm{14197}}^1$

素因数の和:14668

約数の個数: 32

約数和(自身を含む): 33703780320

約数和(自身を除く): 12703038434

約数列:

[1, 2, 17, 34, 139, 278, 313, 626, 2363, 4726, 5321, 10642, 14197, 28394, 43507, 87014, 241349, 482698, 739619, 1479238, 1973383, 3946766, 4443661, 8887322, 33547511, 67095022, 75542237, 151084474, 617668879, 1235337758, 10500370943, 21000741886]

約数ペア:

[(1, 21000741886), (2, 10500370943), (17, 1235337758), (34, 617668879), (139, 151084474), (278, 75542237), (313, 67095022), (626, 33547511), (2363, 8887322), (4726, 4443661), (5321, 3946766), (10642, 1973383), (14197, 1479238), (28394, 739619), (43507, 482698), (87014, 241349)]