21321774

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1181}}^1$

素因数の和:1265

約数の個数: 48

約数和(自身を含む): 49785840

約数和(自身を除く): 28464066

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 59, 102, 118, 153, 177, 306, 354, 531, 1003, 1062, 1181, 2006, 2362, 3009, 3543, 6018, 7086, 9027, 10629, 18054, 20077, 21258, 40154, 60231, 69679, 120462, 139358, 180693, 209037, 361386, 418074, 627111, 1184543, 1254222, 2369086, 3553629, 7107258, 10660887, 21321774]

約数ペア:

[(1, 21321774), (2, 10660887), (3, 7107258), (6, 3553629), (9, 2369086), (17, 1254222), (18, 1184543), (34, 627111), (51, 418074), (59, 361386), (102, 209037), (118, 180693), (153, 139358), (177, 120462), (306, 69679), (354, 60231), (531, 40154), (1003, 21258), (1062, 20077), (1181, 18054), (2006, 10629), (2362, 9027), (3009, 7086), (3543, 6018)]