21077118

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{20543}}^1$

素因数の和:20573

約数の個数: 32

約数和(自身を含む): 49305600

約数和(自身を除く): 28228482

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 20543, 41086, 61629, 123258, 184887, 369774, 390317, 554661, 780634, 1109322, 1170951, 2341902, 3512853, 7025706, 10538559, 21077118]

約数ペア:

[(1, 21077118), (2, 10538559), (3, 7025706), (6, 3512853), (9, 2341902), (18, 1170951), (19, 1109322), (27, 780634), (38, 554661), (54, 390317), (57, 369774), (114, 184887), (171, 123258), (342, 61629), (513, 41086), (1026, 20543)]