21086436

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{673}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 56465024

約数和(自身を除く): 35378588

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 373, 673, 746, 1119, 1346, 1492, 2019, 2238, 2611, 2692, 4038, 4476, 4711, 5222, 7833, 8076, 9422, 10444, 14133, 15666, 18844, 28266, 31332, 56532, 251029, 502058, 753087, 1004116, 1506174, 1757203, 3012348, 3514406, 5271609, 7028812, 10543218, 21086436]

約数ペア:

[(1, 21086436), (2, 10543218), (3, 7028812), (4, 5271609), (6, 3514406), (7, 3012348), (12, 1757203), (14, 1506174), (21, 1004116), (28, 753087), (42, 502058), (84, 251029), (373, 56532), (673, 31332), (746, 28266), (1119, 18844), (1346, 15666), (1492, 14133), (2019, 10444), (2238, 9422), (2611, 8076), (2692, 7833), (4038, 5222), (4476, 4711)]