21158052

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{373}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 51522240

約数和(自身を除く): 30364188

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 163, 174, 326, 348, 373, 489, 652, 746, 978, 1119, 1492, 1956, 2238, 4476, 4727, 9454, 10817, 14181, 18908, 21634, 28362, 32451, 43268, 56724, 60799, 64902, 121598, 129804, 182397, 243196, 364794, 729588, 1763171, 3526342, 5289513, 7052684, 10579026, 21158052]

約数ペア:

[(1, 21158052), (2, 10579026), (3, 7052684), (4, 5289513), (6, 3526342), (12, 1763171), (29, 729588), (58, 364794), (87, 243196), (116, 182397), (163, 129804), (174, 121598), (326, 64902), (348, 60799), (373, 56724), (489, 43268), (652, 32451), (746, 28362), (978, 21634), (1119, 18908), (1492, 14181), (1956, 10817), (2238, 9454), (4476, 4727)]