21167055

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1723}}^1$

素因数の和:1757

約数の個数: 64

約数和(自身を含む): 46341120

約数和(自身を除く): 25174065

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 91, 105, 117, 135, 189, 195, 273, 315, 351, 455, 585, 819, 945, 1365, 1723, 1755, 2457, 4095, 5169, 8615, 12061, 12285, 15507, 22399, 25845, 36183, 46521, 60305, 67197, 77535, 108549, 111995, 156793, 180915, 201591, 232605, 325647, 335985, 470379, 542745, 604773, 783965, 1007955, 1411137, 1628235, 2351895, 3023865, 4233411, 7055685, 21167055]

約数ペア:

[(1, 21167055), (3, 7055685), (5, 4233411), (7, 3023865), (9, 2351895), (13, 1628235), (15, 1411137), (21, 1007955), (27, 783965), (35, 604773), (39, 542745), (45, 470379), (63, 335985), (65, 325647), (91, 232605), (105, 201591), (117, 180915), (135, 156793), (189, 111995), (195, 108549), (273, 77535), (315, 67197), (351, 60305), (455, 46521), (585, 36183), (819, 25845), (945, 22399), (1365, 15507), (1723, 12285), (1755, 12061), (2457, 8615), (4095, 5169)]