21661368

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{709}}^1$

素因数の和:804

約数の個数: 64

約数和(自身を含む): 57936000

約数和(自身を除く): 36274632

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 67, 76, 114, 134, 152, 201, 228, 268, 402, 456, 536, 709, 804, 1273, 1418, 1608, 2127, 2546, 2836, 3819, 4254, 5092, 5672, 7638, 8508, 10184, 13471, 15276, 17016, 26942, 30552, 40413, 47503, 53884, 80826, 95006, 107768, 142509, 161652, 190012, 285018, 323304, 380024, 570036, 902557, 1140072, 1805114, 2707671, 3610228, 5415342, 7220456, 10830684, 21661368]

約数ペア:

[(1, 21661368), (2, 10830684), (3, 7220456), (4, 5415342), (6, 3610228), (8, 2707671), (12, 1805114), (19, 1140072), (24, 902557), (38, 570036), (57, 380024), (67, 323304), (76, 285018), (114, 190012), (134, 161652), (152, 142509), (201, 107768), (228, 95006), (268, 80826), (402, 53884), (456, 47503), (536, 40413), (709, 30552), (804, 26942), (1273, 17016), (1418, 15276), (1608, 13471), (2127, 10184), (2546, 8508), (2836, 7638), (3819, 5672), (4254, 5092)]