21780594

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2683}}^1$

素因数の和:2743

約数の個数: 48

約数和(自身を含む): 52756704

約数和(自身を除く): 30976110

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 41, 66, 82, 99, 123, 198, 246, 369, 451, 738, 902, 1353, 2683, 2706, 4059, 5366, 8049, 8118, 16098, 24147, 29513, 48294, 59026, 88539, 110003, 177078, 220006, 265617, 330009, 531234, 660018, 990027, 1210033, 1980054, 2420066, 3630099, 7260198, 10890297, 21780594]

約数ペア:

[(1, 21780594), (2, 10890297), (3, 7260198), (6, 3630099), (9, 2420066), (11, 1980054), (18, 1210033), (22, 990027), (33, 660018), (41, 531234), (66, 330009), (82, 265617), (99, 220006), (123, 177078), (198, 110003), (246, 88539), (369, 59026), (451, 48294), (738, 29513), (902, 24147), (1353, 16098), (2683, 8118), (2706, 8049), (4059, 5366)]