21183426

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1289}}^1$

素因数の和:1391

約数の個数: 48

約数和(自身を含む): 50712480

約数和(自身を除く): 29529054

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 83, 99, 166, 198, 249, 498, 747, 913, 1289, 1494, 1826, 2578, 2739, 3867, 5478, 7734, 8217, 11601, 14179, 16434, 23202, 28358, 42537, 85074, 106987, 127611, 213974, 255222, 320961, 641922, 962883, 1176857, 1925766, 2353714, 3530571, 7061142, 10591713, 21183426]

約数ペア:

[(1, 21183426), (2, 10591713), (3, 7061142), (6, 3530571), (9, 2353714), (11, 1925766), (18, 1176857), (22, 962883), (33, 641922), (66, 320961), (83, 255222), (99, 213974), (166, 127611), (198, 106987), (249, 85074), (498, 42537), (747, 28358), (913, 23202), (1289, 16434), (1494, 14179), (1826, 11601), (2578, 8217), (2739, 7734), (3867, 5478)]