21118386

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:699

約数の個数: 48

約数和(自身を含む): 47302560

約数和(自身を除く): 26184174

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 102, 114, 289, 323, 578, 641, 646, 867, 969, 1282, 1734, 1923, 1938, 3846, 5491, 10897, 10982, 12179, 16473, 21794, 24358, 32691, 32946, 36537, 65382, 73074, 185249, 207043, 370498, 414086, 555747, 621129, 1111494, 1242258, 3519731, 7039462, 10559193, 21118386]

約数ペア:

[(1, 21118386), (2, 10559193), (3, 7039462), (6, 3519731), (17, 1242258), (19, 1111494), (34, 621129), (38, 555747), (51, 414086), (57, 370498), (102, 207043), (114, 185249), (289, 73074), (323, 65382), (578, 36537), (641, 32946), (646, 32691), (867, 24358), (969, 21794), (1282, 16473), (1734, 12179), (1923, 10982), (1938, 10897), (3846, 5491)]