21264534

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:765

約数の個数: 48

約数和(自身を含む): 49074480

約数和(自身を除く): 27809946

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 97, 114, 171, 194, 291, 342, 582, 641, 873, 1282, 1746, 1843, 1923, 3686, 3846, 5529, 5769, 11058, 11538, 12179, 16587, 24358, 33174, 36537, 62177, 73074, 109611, 124354, 186531, 219222, 373062, 559593, 1119186, 1181363, 2362726, 3544089, 7088178, 10632267, 21264534]

約数ペア:

[(1, 21264534), (2, 10632267), (3, 7088178), (6, 3544089), (9, 2362726), (18, 1181363), (19, 1119186), (38, 559593), (57, 373062), (97, 219222), (114, 186531), (171, 124354), (194, 109611), (291, 73074), (342, 62177), (582, 36537), (641, 33174), (873, 24358), (1282, 16587), (1746, 12179), (1843, 11538), (1923, 11058), (3686, 5769), (3846, 5529)]